subst_eqs
case inl
W✝ : Type
M : KripkeModel W✝
v w : W✝
β : Program
v_γ_w : Relation.ReflTransGen (relate M β) v w
h✝ : v = w
⊢ ∃ Fδ ∈ H (∗β), (M, v)⊨Fδ.1 ∧ relateSeq M Fδ.2 v w
case inl.refl
W✝ : Type
M : KripkeModel W✝
v : W✝
β : Program
v_γ_w : Relation.ReflTransGen (relate M β) v v
⊢ ∃ Fδ ∈ H (∗β), (M, v)⊨Fδ.1 ∧ relateSeq M Fδ.2 v v