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Choice/compose/tt/ff : (-> [a b c : nat] [p0/t : ($ Choice b c)] [p1/t : ($ Choice (succ a) b)] (= ($ Choice (succ a) (succ c)) ($ Choice/compose (succ a) (succ b) (succ c) (tuple [head tt] [tail p0/t]) (tuple [head ff] [tail p1/t])) (tuple [head ff] [tail ($ Choice/compose (succ a) b c...
by { lam a b c p0/t p1/t => auto; unfold Choice; reduce; assumption }.
theorem
Choice/compose/tt/ff
example
example/semi-simplicial.prl
[]
[ "Choice", "Choice/compose" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Choice/compose/ff : (-> [a b c : nat] [p0/t : ($ Choice (succ b) c)] [p1 : ($ Choice (succ a) (succ b))] (= ($ Choice (succ a) (succ c)) ($ Choice/compose (succ a) (succ b) (succ c) (tuple [head ff] [tail p0/t]) p1) (tuple [head ff] [tail ($ Choice/compose (succ a) (succ b) c p0/t p1)])...
by { lam a b c p0/t p1 => auto; unfold Choice; reduce; assumption }.
theorem
Choice/compose/ff
example
example/semi-simplicial.prl
[]
[ "Choice", "Choice/compose" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Eq/inv : (-> [a : (U 0)] [x y : a] (= a x y) (= a y x))
by { lam a x y eq => assumption }.
theorem
Eq/inv
example
example/semi-simplicial.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Choice/compose/assoc : (-> [a b c d : nat] [p0 : ($ Choice c d)] [p1 : ($ Choice b c)] [p2 : ($ Choice a b)] (= ($ Choice a d) ($ Choice/compose a b d ($ Choice/compose b c d p0 p1) p2) ($ Choice/compose a c d p0 ($ Choice/compose a b c p1 p2))))
by { lam a => elim a; [ lam b c d p0 p1 p2 => unfold Choice/compose; auto ]; // a = 0 with a'/ind a' => lam b => elim b; [ lam c d p0 p1 p2 => elim p2 ]; // b = 0 with b'/ind b' => lam c => elim c; [ lam d p0 p1 => elim p1 ]; // c = 0 with c'/ind c' => lam d => elim d; [ lam p0 => elim p0 ]; // d = 0 ...
theorem
Choice/compose/assoc
example
example/semi-simplicial.prl
[]
[ "Choice", "Choice/compose", "Choice/compose/ff", "Choice/compose/tt/ff", "Choice/compose/tt/tt" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
MegaMutualDefs : (-> nat (record [sst : (U 1)] [folder : (-> sst nat (U 0))] [pick : (-> [x : sst] [n m : nat] ($ Choice n m) ($ folder x n) ($ folder x m))] [pick-coh : (-> [x : sst] [n m o : nat] [c1 : ($ Choice m o)] [c2 : ($ Choice n m)] ...
by { lam p => elim p; [ { sst = `record , folder = lam x n => `record , pick = lam x n m c f => `tuple , pick-coh = lam x n m o c1 c2 f => `ax }; , with p'/ind p' => let {sst=sst', folder=folder', pick=pick', pick-coh=pick-coh'} = p'/ind; { sst = `(* [x : sst'] (-> ($ folder' x p...
theorem
MegaMutualDefs
example
example/semi-simplicial.prl
[]
[ "Choice", "Choice/compose", "Choice/compose/assoc", "Eq/inv" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
SemiSimplicial : (-> nat (U 1))
by { lam n => `(! sst ($ MegaMutualDefs n)) }.
theorem
SemiSimplicial
example
example/semi-simplicial.prl
[]
[ "MegaMutualDefs" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Choice(#i:lvl) : (-> [a b : (U #i)] [r : (-> a b (U #i))] [f : (-> [x : a] (* [y : b] ($ r x y)))] (* [f : (-> a b)] (-> [x : a] ($ r x ($ f x)))))
by { lam a b r f => {lam x => let {y,_} = f [`x]; `y, lam x => let {_,z} = f [`x]; `z}; inversion; with _ aux0 => reduce at left in aux0; auto; assumption }.
theorem
Choice
example
example/theorem-of-choice.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Not : (-> bool bool)
by { lam b => if b then `ff else `tt }.
theorem
Not
example
example/tutorial.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
NotNot : (-> [b : bool] (= bool ($ Not ($ Not b)) b))
by { lam b => // The next four lines can be replaced by auto. unfold Not; if b then (reduce at left; refine bool/eq/tt) else (reduce at left; refine bool/eq/ff) }.
theorem
NotNot
example
example/tutorial.prl
[]
[ "Not" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
RespectEquality : (-> [family : (-> [b : bool] (U 0))] [b : bool] ($ family b) ($ family ($ Not ($ Not b))))
by { lam family b pf => rewrite ($ NotNot b); [ with b' => `($ family b') , use pf ]; auto }.
theorem
RespectEquality
example
example/tutorial.prl
[]
[ "Not", "NotNot" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
EqualityIrrelevant : (= (-> [b : bool] (= bool ($ Not ($ Not b)) b)) NotNot (lam [b] ax))
by { auto }.
theorem
EqualityIrrelevant
example
example/tutorial.prl
[]
[ "Not", "NotNot" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PathFunToPair : (-> [ty : (U 0 kan)] (path [_] (U 0 kan) (-> bool ty) (* ty ty)))
by { lam ty => abs x => `(V x (-> bool ty) (* ty ty) (tuple [proj1 ($ FunToPair ty)] [proj2 ($ FunToPairIsEquiv ty)])) }.
theorem
PathFunToPair
example
example/tutorial.prl
[]
[ "FunToPair", "FunToPairIsEquiv" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
RespectPaths : (-> [ty : (U 0 kan)] (-> bool ty) (* ty ty))
by { lam ty fun => `(coe 0~>1 [x] (@ ($ PathFunToPair ty) x) fun) }.
theorem
RespectPaths
example
example/tutorial.prl
[]
[ "PathFunToPair" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
ComputeCoercion : (= (* bool bool) ($ RespectPaths bool (lam [b] b)) (tuple [proj1 tt] [proj2 ff]))
by { auto }.
theorem
ComputeCoercion
example
example/tutorial.prl
[]
[ "RespectPaths" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Refl : (-> [ty : (U 0)] [a : ty] (path [_] ty a a))
by { lam ty a => abs _ => `a }.
theorem
Refl
example
example/tutorial.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
FunPath : (-> [a b : (U 0)] [f g : (-> a b)] (path [_] (-> a b) f g) [arg : a] (path [_] b ($ f arg) ($ g arg)))
by { lam a b f g p => lam arg => abs x => `($ (@ p x) arg) }.
theorem
FunPath
example
example/tutorial.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PathInv : (-> [ty : (U 0 kan)] [a b : ty] [p : (path [_] ty a b)] (path [_] ty b a))
by { // a -- x // ------- | // | | y // p | | a // | | // b .... a lam ty a b p => abs x => `(hcom 0~>1 ty a [x=0 [y] (@ p y)] [x=1 [_] a]) }.
theorem
PathInv
example
example/tutorial.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PathConcat : (-> [ty : (U 0 kan)] [a b c : ty] [p : (path [_] ty a b)] [q : (path [_] ty b c)] (path [_] ty a c))
by { // p -- x // ------- | // | | y // a | | q // | | // a .... c lam ty a b c p q => abs x => `(hcom 0~>1 ty (@ p x) [x=0 [_] a] [x=1 [y] (@ q y)]) }.
theorem
PathConcat
example
example/tutorial.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
InvRefl : (-> [ty : (U 0 kan)] [a : ty] (path [_] (path [_] ty a a) ($ PathInv ty a a (abs [_] a)) (abs [_] a)))
by { // See diagram! lam ty a => abs x y => `(hcom 0~>1 ty a [x=0 [z] (hcom 0~>z ty a [y=0 [_] a] [y=1 [_] a])] [x=1 [_] a] [y=0 [_] a] [y=1 [_] a]) }.
theorem
InvRefl
example
example/tutorial.prl
[]
[ "PathInv" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
J(#l:lvl) : (-> [ty : (U #l kan)] [a : ty] [fam : (-> [x : ty] (path [_] ty a x) (U #l kan))] [d : ($ fam a (abs [_] a))] [x : ty] [p : (path [_] ty a x)] ($ fam x p))
by { lam ty a fam d x p => `(coe 0~>1 [i] ($ fam (hcom 0~>1 ty a [i=0 [_] a] [i=1 [j] (@ p j)]) (abs [j] (hcom 0~>j ty a [i=0 [_] a] [i=1 [j] (@ p j)]))) d) }.
theorem
J
example
example/tutorial.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
JInv : (-> [ty : (U 0 kan)] [a b : ty] [p : (path [_] ty a b)] (path [_] ty b a))
by { lam ty a b p => exact ($ (J #lvl{0}) ty a (lam [b _] (path [_] ty b a)) (abs [_] a) b p) ; auto //; unfold J; reduce at left right; ? }.
theorem
JInv
example
example/tutorial.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Shannon : (-> [ty : (-> bool (U 0))] [elt : (-> [b : bool] ($ ty b))] [b : bool] (= ($ ty b) ($ elt b) (if [b] ($ ty b) b ($ elt tt) ($ elt ff))))
by { lam ty elt b => elim b; auto }.
theorem
Shannon
example
example/tutorial.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Not : (-> bool bool)
by { ? }.
theorem
Not
example
example/tutorial1.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
NotNot : (-> [b : bool] (= bool ($ Not ($ Not b)) b))
by { ? }.
theorem
NotNot
example
example/tutorial1.prl
[]
[ "Not" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
RespectEquality : (-> [family : (-> [b : bool] (U 0))] [b : bool] ($ family b) ($ family ($ Not ($ Not b))))
by { ? }.
theorem
RespectEquality
example
example/tutorial1.prl
[]
[ "Not" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
EqualityIrrelevant : (= (-> [b : bool] (= bool ($ Not ($ Not b)) b)) NotNot (lam [b] ax))
by { ? }.
theorem
EqualityIrrelevant
example
example/tutorial1.prl
[]
[ "Not", "NotNot" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
FunToPairIsEquiv : (-> [ty : (U 0 kan)] (IsEquiv (-> bool ty) (* ty ty) ($ FunToPair ty)))
by { lam ty pair => { { lam b => if b then `(!proj1 pair) else `(!proj2 pair) , abs _ => `pair } , unfold Fiber; lam {fun,p} => fresh x:dim -> refine path/intro; [ {lam b => if b then `(!proj1 (@ p x)) else `(!proj2 (@ p x)), abs y => `(@ ($ (WeakConnection #lvl{0}) (* ty...
theorem
FunToPairIsEquiv
example
example/tutorial1.prl
[]
[ "Fiber", "FunToPair", "IsEquiv", "WeakConnection" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Refl : (-> [ty : (U 0)] [a : ty] (path [_] ty a a))
by { ? }.
theorem
Refl
example
example/tutorial2.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
FunPath : (-> [a b : (U 0)] [f g : (-> a b)] (path [_] (-> a b) f g) [arg : a] (path [_] b ($ f arg) ($ g arg)))
by { ? }.
theorem
FunPath
example
example/tutorial2.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PathInv : (-> [ty : (U 0 kan)] [a b : ty] [p : (path [_] ty a b)] (path [_] ty b a))
by { // a -- x // ------- | // | | y // p | | a // | | // b .... a ? }.
theorem
PathInv
example
example/tutorial2.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PathConcat : (-> [ty : (U 0 kan)] [a b c : ty] [p : (path [_] ty a b)] [q : (path [_] ty b c)] (path [_] ty a c))
by { // p -- x // ------- | // | | y // a | | q // | | // a .... c ? }.
theorem
PathConcat
example
example/tutorial2.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
JInv : (-> [ty : (U 0 kan)] [a b : ty] [p : (path [_] ty a b)] (path [_] ty b a))
by { lam ty a b p => exact ($ (J #lvl{0}) ty a (lam [b _] (path [_] ty b a)) (abs [_] a) b p); ? }.
theorem
JInv
example
example/tutorial2.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
IsProp (#C)
= (-> [c c' : #C] (path [_] #C c c')).
define
IsProp
example
example/univalence.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
IsSet (#C)
= (-> [c c' : #C] (IsProp (path [_] #C c c'))).
define
IsSet
example
example/univalence.prl
[]
[ "IsProp" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Retract (#A,#f,#g)
= (-> [a : #A] (path [_] #A ($ #g ($ #f a)) a)).
define
Retract
example
example/univalence.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
IdEquiv(#l:lvl) : (-> [ty : (U #l hcom)] (Equiv ty ty))
by { lam ty => { lam a => use a , lam a => { {use a, abs _ => use a} , lam {_,c'} => abs i => {`(hcom 1~>0 ty a [i=0 [j] (@ c' j)] [i=1 [j] a]), abs j => `(hcom 1~>j ty a [i=0 [j] (@ c' j)] [i=1 [j] a])} } } }.
theorem
IdEquiv
example
example/univalence.prl
[]
[ "Equiv" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
UA(#l:lvl) : (-> [ty/a ty/b : (U #l kan)] [e : (Equiv ty/a ty/b)] (path [_] (U #l kan) ty/a ty/b))
by { lam ty/a ty/b e => abs x => `(V x ty/a ty/b e) }.
theorem
UA
example
example/univalence.prl
[]
[ "Equiv" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
UABeta(#l:lvl) : (-> [ty/a ty/b : (U #l kan)] [e : (Equiv ty/a ty/b)] [a : ty/a] (path [_] ty/b (coe 0~>1 [x] (@ ($ (UA #l) ty/a ty/b e) x) a) ($ (!proj1 e) a)))
by { unfold UA; lam ty/a ty/b {f,_} a => abs x => `(coe x~>1 [_] ty/b ($ f a)) }.
theorem
UABeta
example
example/univalence.prl
[]
[ "Equiv", "UA" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PathToEquiv(#l:lvl) : (-> [ty/a ty/b : (U #l kan)] [p : (path [_] (U #l kan) ty/a ty/b)] (Equiv ty/a ty/b))
by { lam ty/a ty/b p => `(coe 0~>1 [x] (Equiv ty/a (@ p x)) ($ (IdEquiv #l) ty/a)) }.
theorem
PathToEquiv
example
example/univalence.prl
[]
[ "Equiv", "IdEquiv" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
LemPropF(#l:lvl) : (-> [ty/a : (U #l kan)] [ty/b : (-> ty/a (U #l kan))] [prop/b : (-> [a : ty/a] (IsProp ($ ty/b a)))] [p : (-> dim ty/a)] [b0 : ($ ty/b (@ p 0))] [b1 : ($ ty/b (@ p 1))] (path [x] ($ ty/b (@ p x)) b0 b1))
by { lam ty/a ty/b prop/b p b0 b1 => abs x => use prop/b [ use p [`x] , `(coe 0~>x [i] ($ ty/b (@ p i)) b0) , `(coe 1~>x [i] ($ ty/b (@ p i)) b1) , `x ] }.
theorem
LemPropF
example
example/univalence.prl
[]
[ "IsProp" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
LemSig(#l:lvl) : (-> [ty/a : (U #l kan)] [ty/b : (-> ty/a (U #l kan))] [prop/b : (-> [a : ty/a] (IsProp ($ ty/b a)))] [u v : (* [a : ty/a] ($ ty/b a))] [p : (path [_] ty/a (!proj1 u) (!proj1 v))] (path [_] (* [a : ty/a] ($ ty/b a)) u v))
by { lam ty/a ty/b prop/b {u1, u2} {v1, v2} p => abs x => { use p [`x] , use (LemPropF #l) [`ty/a, `ty/b, `prop/b, abs i => use p [`i], `u2, `v2, `x] } }.
theorem
LemSig
example
example/univalence.prl
[]
[ "IsProp", "LemPropF" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PropSig(#l:lvl) : (-> [ty/a : (U #l kan)] [ty/b : (-> ty/a (U #l kan))] [prop/a : (IsProp ty/a)] [prop/b : (-> [a : ty/a] (IsProp ($ ty/b a)))] [u v : (* [a : ty/a] ($ ty/b a))] (path [_] (* [a : ty/a] ($ ty/b a)) u v))
by { lam ty/a ty/b prop/a prop/b u v => use (LemSig #l) [ `ty/a , `ty/b , `prop/b , `u , `v , use prop/a [let {u1, _} = u; `u1, let {v1, _} = v; `v1] ] }.
theorem
PropSig
example
example/univalence.prl
[]
[ "IsProp", "LemSig" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PropPi(#l:lvl) : (-> [ty/a : (U #l kan)] [ty/b : (-> ty/a (U #l kan))] [prop/b : (-> [a : ty/a] (IsProp ($ ty/b a)))] [f g : (-> [a : ty/a] ($ ty/b a))] (path [_] (-> [a : ty/a] ($ ty/b a)) f g))
by { lam ty/a ty/b prop/b f g => abs x => lam a => use prop/b [`a, use f [`a], use g [`a], `x]; }.
theorem
PropPi
example
example/univalence.prl
[]
[ "IsProp" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
LemProp(#l:lvl) : (-> [ty/a : (U #l kan)] [prop/a : (IsProp ty/a)] [a : ty/a] (IsContr ty/a))
by { lam ty/a prop/a a => {`a , lam a' => use prop/a [`a', `a]} }.
theorem
LemProp
example
example/univalence.prl
[]
[ "IsContr", "IsProp" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PropSet(#l:lvl) : (-> [ty : (U #l kan)] [prop : (IsProp ty)] (IsSet ty))
by { unfold IsProp IsSet; lam ty prop a b p q => abs x y => `(hcom 0~>1 ty a [y=0 [z] (@ ($ prop a a) z)] [y=1 [z] (@ ($ prop a b) z)] [x=0 [z] (@ ($ prop a (@ p y)) z)] [x=1 [z] (@ ($ prop a (@ q y)) z)]) }.
theorem
PropSet
example
example/univalence.prl
[]
[ "IsProp", "IsSet" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PropIsContr(#l:lvl) : (-> [ty/a : (U #l kan)] (IsProp (IsContr ty/a)))
by { lam ty/a isContr => claim contr/a/prop : (IsProp (IsContr ty/a)) by { let {_,contr} = isContr; claim prop/a : (IsProp ty/a) by { lam a a' => abs x => `(hcom 1~>0 ty/a (@ ($ contr a) x) [x=0 [_] a] [x=1 [y] (@ ($ contr a') y)]) }; use (PropSig...
theorem
PropIsContr
example
example/univalence.prl
[]
[ "IsContr", "IsProp", "PropPi", "PropSet", "PropSig" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PropIsEquiv(#l:lvl) : (-> [ty/a ty/b : (U #l kan)] [f : (-> ty/a ty/b)] (IsProp (IsEquiv ty/a ty/b f)))
by { lam ty/a ty/b f e0 e1 => abs x => lam b => use (PropIsContr #l) [ `(Fiber ty/a ty/b f b) , use e0 [`b] , use e1 [`b] , `x ] }.
theorem
PropIsEquiv
example
example/univalence.prl
[]
[ "Fiber", "IsEquiv", "IsProp", "PropIsContr" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
EquivLemma(#l:lvl) : (-> [ty/a ty/b : (U #l kan)] [e1 e2 : (Equiv ty/a ty/b)] (path [_] (-> ty/a ty/b) (!proj1 e1) (!proj1 e2)) (path [_] (Equiv ty/a ty/b) e1 e2))
by { lam ty/a ty/b => use (LemSig #l) [ `(-> ty/a ty/b) , lam f => `(IsEquiv ty/a ty/b f) , use (PropIsEquiv #l) [`ty/a, `ty/b] ] }.
theorem
EquivLemma
example
example/univalence.prl
[]
[ "Equiv", "IsEquiv", "LemSig", "PropIsEquiv" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
UARet(#l:lvl) : (-> [ty/a ty/b : (U #l kan)] (Retract (Equiv ty/a ty/b) ($ (UA #l) ty/a ty/b) ($ (PathToEquiv #l) ty/a ty/b)))
by { lam ty/a ty/b e => use (EquivLemma #l) [ `ty/a , `ty/b , use (PathToEquiv #l) [`ty/a, `ty/b, use (UA #l) [`ty/a, `ty/b, `e]] , `e , abs x => lam a => use (UABeta #l) [`ty/a, `ty/b, `e, `(coe 1~>x [_] ty/a a), `x] ]; unfold PathToEquiv at right in concl; au...
theorem
UARet
example
example/univalence.prl
[]
[ "Equiv", "EquivLemma", "PathToEquiv", "Retract", "UA", "UABeta" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
IsContrPath(#l:lvl) : (-> [ty/a : (U #l kan)] (IsContr (* [ty/b : (U #l kan)] (path [_] (U #l kan) ty/a ty/b))))
by { lam ty/a => { {use ty/a, abs _ => use ty/a}, lam {ty/b,p} => abs x => { `(hcom 0~>1 (U #l kan) ty/a [x=0 [y] (@ p y)] [x=1 [_] ty/a]) , abs y => `(hcom 0~>y (U #l kan) ty/a [x=0 [y] (@ p y)] [x=1 [_] ty/a]) } } }.
theorem
IsContrPath
example
example/univalence.prl
[]
[ "IsContr" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
RetIsContr(#l:lvl) : (-> [ty/a ty/b : (U #l kan)] [f : (-> ty/a ty/b)] [g : (-> ty/b ty/a)] [h : (-> [a : ty/a] (path [_] ty/a ($ g ($ f a)) a))] [contr/b : (IsContr ty/b)] (IsContr ty/a))
by { lam ty/a ty/b f g h {b,p} => {`($ g b), lam a => abs x => `(hcom 0~>1 ty/a ($ g (@ ($ p ($ f a)) x)) [x=0 [y] (@ ($ h a) y)] [x=1 [_] ($ g b)])} }.
theorem
RetIsContr
example
example/univalence.prl
[]
[ "IsContr" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
SigEquivToPath(#l:lvl) : (-> [ty/a : (U #l kan)] (* [ty/b : (U #l kan)] (Equiv ty/a ty/b)) (* [ty/b : (U #l kan)] (path [_] (U #l kan) ty/a ty/b)))
by { lam ty/a {ty/b,equiv} => { use ty/b , abs x => `(V x ty/a ty/b equiv) } }.
theorem
SigEquivToPath
example
example/univalence.prl
[]
[ "Equiv" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
SigPathToEquiv(#l:lvl) : (-> [ty/a : (U #l kan)] (* [ty/b : (U #l kan)] (path [_] (U #l kan) ty/a ty/b)) (* [ty/b : (U #l kan)] (Equiv ty/a ty/b)))
by { lam ty/a {ty/b,p} => { use ty/b , use (PathToEquiv #l) [`ty/a, `ty/b, `p] } }.
theorem
SigPathToEquiv
example
example/univalence.prl
[]
[ "Equiv", "PathToEquiv" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
UARetSig(#l:lvl) : (-> [ty/a : (U #l kan)] (Retract (* [ty/b : (U #l kan)] (Equiv ty/a ty/b)) ($ (SigEquivToPath #l) ty/a) ($ (SigPathToEquiv #l) ty/a)))
by { lam ty/a {ty/b,equiv} => unfold SigPathToEquiv SigEquivToPath; abs x => { use ty/b , use (UARet #l) [`ty/a, `ty/b, `equiv, `x] } }.
theorem
UARetSig
example
example/univalence.prl
[]
[ "Equiv", "Retract", "SigEquivToPath", "SigPathToEquiv", "UARet" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Univalence(#l:lvl) : (-> [ty/a : (U #l kan)] (IsContr (* [ty/b : (U #l kan)] (Equiv ty/a ty/b))))
by { lam ty/a => use (RetIsContr (++ #l)) [ `(* [ty/b : (U #l kan)] (Equiv ty/a ty/b)) , `(* [ty/b : (U #l kan)] (path [_] (U #l kan) ty/a ty/b)) , use (SigEquivToPath #l) [`ty/a] , use (SigPathToEquiv #l) [`ty/a] , use (UARetSig #l) [`ty/a] , use (IsContrPath #l) [`ty/a] ] }.
theorem
Univalence
example
example/univalence.prl
[]
[ "Equiv", "IsContr", "IsContrPath", "RetIsContr", "SigEquivToPath", "SigPathToEquiv", "UARetSig" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
MalformedTube : wbool true
by { `(hcom 0~>1 wbool tt) }.
theorem
MalformedTube
test/failure
test/failure/bad-hcom-empty.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Bool : wbool true
by { `(hcom 0~>1 wbool tt [0=1 [_] tt]); auto }.
theorem
Bool
test/failure
test/failure/bad-hcom-stuck.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Foo(#a : exp, #b : exp) : exp
= (-> #a #b) .
define
Foo
test/failure
test/failure/bad-op.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Foo-bool-type : (Foo bool) typeby { auto }.
theorem
Foo-bool-type
test/failure
test/failure/bad-op.prl
[]
[ "Foo" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Cmp(#f : exp, #g : exp) : exp
= (lam [x] ($ #f ($ #h x))) .
define
Cmp
test/failure
test/failure/freemeta.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
FreeVar : x true
by { auto }.
theorem
FreeVar
test/failure
test/failure/freevar.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Foo : tt = tt in bool
by { auto }.
theorem
Foo
test/failure
test/failure/incremental-parse.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Bar : tt = tt in bool ] by { auto }. Thm Baz : [ tt = tt in bool
by { auto }.
theorem
Bar
test/failure
test/failure/incremental-parse.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Path/Symm(#l:lvl) : ty : (U #l) >> ty type with hcom
by { auto }.
theorem
Path/Symm
test/failure
test/failure/kind-hcom.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
LexicalError : (-> bool bool) true
by { (lam x => `_tt); auto }.
theorem
LexicalError
test/failure
test/failure/lexical-error.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
NegOne : -1 in nat
by { auto }.
theorem
NegOne
test/failure
test/failure/num.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
RecordTest : tuple in (record [a : bool])
by { auto }.
theorem
RecordTest
test/failure
test/failure/record0.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
RecordTest : (! a tuple) in bool
by { auto }.
theorem
RecordTest
test/failure
test/failure/record1.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
RecordTest : (! a (tuple [b tt])) in bool
by { auto }.
theorem
RecordTest
test/failure
test/failure/record2.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
DuplicateLabel : (tuple [a tt]) in (record [a a : bool])
by { auto }.
theorem
DuplicateLabel
test/failure
test/failure/record3.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
DuplicateLabel : (tuple [a tt] [a tt]) in (record [a : bool])
by { auto }.
theorem
DuplicateLabel
test/failure
test/failure/record4.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Not : exp
= (lam [x] (if x ff tt)) .
define
Not
test/failure
test/failure/undef-custom.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Foo : Bar = Bar in bool
by { auto }.
theorem
Foo
test/failure
test/failure/undef-custom.prl
[]
[ "Bar" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Test : (* bool bool) = (* bool bool) type
by { auto }.
theorem
Test
test/success
test/success/bool-pair-test.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Ident-test/ : bool
by { `tt }.
theorem
Ident-test/
test/success
test/success/dashes-n-slashes.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Decomposition : (-> (record [rcd : (record [a : bool] [b : (* bool int)])] [circ : S1]) bool)
by { lam x => let {rcd = {a = a, b = {welp}}, circ = circ} = x; use welp }.
theorem
Decomposition
test/success
test/success/decomposition.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Apply : (-> (-> bool bool (path [_] (record [a : S1]) (tuple [a base]) (tuple [a base]))) S1)
by { lam f => let {a = a} = f [`tt, `ff, `(dim 0)]; use a }.
theorem
Apply
test/success
test/success/decomposition.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
UseHypTest : (-> bool bool)
by { lam x => claim p : (-> bool S1 bool) by {lam b c => use b}; use p [use x, `(loop 0)] }.
theorem
UseHypTest
test/success
test/success/decomposition.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
UseLemmaTest : (-> bool bool)
by { lam x => use UseHypTest [use x] }.
theorem
UseLemmaTest
test/success
test/success/decomposition.prl
[]
[ "UseHypTest" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Discrete/reflection(#l:lvl) : (-> [ty : (U #l discrete)] [a b : ty] [p : (path [_] ty a b)] (= ty a b))
by { lam ty a b p => `(coe 0~>1 [x] (= ty a (@ p x)) ax) }.
theorem
Discrete/reflection
test/success
test/success/discrete-types.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
GetHole(#c : [exp].exp, #t : [exp].tac)
= { query gl <- concl; match gl { [hole | #jdg{(#c %hole)} => (#t %hole)] } }.
tactic
GetHole
test/success
test/success/equality-elim.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Rewrite(#c : [exp].exp, #n, #a, #t : tac)
= { (GetHole [x] (#c x) [hole] #tac{ claim p : hole = #n in #a by {#t}; // Use the elimination rule for equality. We bind a new hypothesis which will represent the location // in the goal #c which is being rewritten. rewrite p; [with x => `(#c x), id, auto, auto] }) }.
tactic
Rewrite
test/success
test/success/equality-elim.prl
[]
[ "GetHole" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
EqualityElimTest : (-> [b : bool] (path [_] bool tt (if [_] bool tt tt ff)))
by { // We're going to prove this in a silly way to illustrate equality elimination. // We'll rewrite the goal by claiming (if tt tt ff) = tt in bool. (Rewrite [x] (-> bool (path [_] bool tt x)) tt bool #tac{auto}); // observe that the goal has now been rewritten! ?check-this-out; lam b => abs _ => ...
theorem
EqualityElimTest
test/success
test/success/equality-elim.prl
[]
[ "Rewrite" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
EqualityKind0(#A) : (-> [ty : (U 0 pre)] [a b : ty] (= (U 0 hcom) (= ty a b) (= ty a b)))
by { lam ty a b => auto }.
theorem
EqualityKind0
test/success
test/success/equality.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
EqualityKind1(#A) : (-> [ty : (U 0 discrete)] [a b : ty] (= (U 0 kan) (= ty a b) (= ty a b)))
by { lam ty a b => auto }.
theorem
EqualityKind1
test/success
test/success/equality.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Fcom/bool : (-> [i : dim] (mem (U 0) (fcom 0~>1 bool [i=0 [j] bool] [i=1 [j] bool])))
by { abs i => auto }.
theorem
Fcom/bool
test/success
test/success/fcom-types.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Fcom/Box : (-> [i : dim] (mem (fcom 0~>1 bool [i=0 [j] bool] [i=1 [j] bool]) (box 0~>1 tt [i=0 tt] [i=1 tt])))
by { abs i => auto }.
theorem
Fcom/Box
test/success
test/success/fcom-types.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Fcom/Reduce : (fcom 0~>1 bool [0=0 [j] bool]) = bool type
by { auto }.
theorem
Fcom/Reduce
test/success
test/success/fcom-types.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Fcom/Cap1 : tt in (fcom 0~>1 bool [0=0 [j] bool])
by { auto }.
theorem
Fcom/Cap1
test/success
test/success/fcom-types.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Fcom/Cap2 : (cap 0<~1 (box 0~>1 tt [0=0 tt]) [0=0 [j] bool]) in bool
by { auto }.
theorem
Fcom/Cap2
test/success
test/success/fcom-types.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Hcom/Poly(#l:lvl) : (-> [ty : (U #l hcom)] [a b c d : ty] (path [_] ty a b) (path [_] ty a c) (path [_] ty b d) (path [_] ty c d))
by { lam ty a b c d pab pac pbd => abs i => `(hcom 0~>1 ty (@ pab i) [i=0 [j] (@ pac j)] [i=1 [j] (@ pbd j)]) }.
theorem
Hcom/Poly
test/success
test/success/hcom.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Hcom/trans(#l:lvl) : (-> [ty : (U #l hcom)] [a b c : ty] (path [_] ty a b) (path [_] ty b c) (path [_] ty a c))
by { lam ty a b c pab pbc => abs i => `(hcom 0 ~> 1 ty (@ pab i) [i=0 [_] a] [i=1 [j] (@ pbc j)]) }.
theorem
Hcom/trans
test/success
test/success/hcom.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Hcom/symm(#l:lvl) : (-> [ty : (U #l hcom)] [a b : ty] (path [_] ty a b) (path [_] ty b a))
by { lam ty a b pab => abs i => `(hcom 0~>1 ty a [i=0 [j] (@ pab j)] [i=1 [_] a]) }.
theorem
Hcom/symm
test/success
test/success/hcom.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Cap(#l:lvl) : (-> [ty : (U #l hcom)] [x : ty] [i : dim] (= ty (hcom 0~>0 ty x [i=0 [_] x] [i=1 [_] x]) x))
by { lam ty x => abs i => auto }.
theorem
Cap
test/success
test/success/hcom.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Tube(#l:lvl) : (-> [ty : (U #l hcom)] [x : ty] (= ty (hcom 0~>1 ty x [1=1 [_] x] [0=0 [_] x]) x))
by { lam ty x => auto }.
theorem
Tube
test/success
test/success/hcom.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
TrueByEvaluation : (hcom 0~>0 bool tt) in bool
by { auto }.
theorem
TrueByEvaluation
test/success
test/success/hcom.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Loop' : (path [_] (. S1' type) (. S1' base') (. S1' base'))
by { abs u => `(. S1' loop' u) }.
theorem
Loop'
test/success
test/success/inductive-S1.prl
[]
[ "S1'" ]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Pushout' (#l:lvl) [a b c : (U #l coe)] [f : (-> c a)] [g : (-> c b)] : (U #l kan) { left' a , right' b , glue' [x : c] [y : dim] [y=0 (self left' ($ f x))] [y=1 (self right' ($ g x))] }
by { auto }.
data
Pushout'
test/success
test/success/inductive.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
PropTrunc (#l:lvl) [a : (U 0 coe)] : (U 0 kan) { pt a, sq [x y : self] [z : dim] [z=0 x] [z=1 y] }
by { auto }.
data
PropTrunc
test/success
test/success/inductive.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
Line/Test0 : (-> [a : (U 0 kan)] [l : (-> dim a)] (= a (coe 0~>1 [_] a (@ l 0)) (@ (coe 0~>1 [_] (-> dim a) l) 0)))
by { lam a l => `ax }.
theorem
Line/Test0
test/success
test/success/lines.prl
[]
[]
https://github.com/RedPRL/sml-redprl
c72190de76f7ed1cfbe1d2046c96e99ac5022b0c
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