intro p pf
α : Type u_1
β : Type u_2
σ : Type u_3
inst✝² : DecidableEq α
inst✝¹ : Clause α β
inst✝ : Formula α β σ
f : σ
f_readyForRupAdd : readyForRupAdd f
f_readyForRatAdd : readyForRatAdd f
action✝ : Action β α
ids : Array Nat
aWellFormed : wellFormedAction (Action.del ids)
incrementalChecker_res_unsat : unsatisfiable α (Formula.delete f ids)
incrementalChecker_res : (Formula.delete f ids, out_of_proof).snd = out_of_proof
⊢ unsatisfiable α f
α : Type u_1
β : Type u_2
σ : Type u_3
inst✝² : DecidableEq α
inst✝¹ : Clause α β
inst✝ : Formula α β σ
f : σ
f_readyForRupAdd : readyForRupAdd f
f_readyForRatAdd : readyForRatAdd f
action✝ : Action β α
ids : Array Nat
aWellFormed : wellFormedAction (Action.del ids)
incrementalChecker_res_unsat : unsatisfiable α (Formula.delete f ids)
incrementalChecker_res : (Formula.delete f ids, out_of_proof).snd = out_of_proof
p : α → Bool
pf : p ⊨ f
⊢ False