6 lines
235 B
Text
6 lines
235 B
Text
Set: pp::colors
|
||
Set: pp::unicode
|
||
Defined: f
|
||
Proved: T
|
||
Theorem T (a b : Bool) : a ∨ b ⇒ (f b) ⇒ a :=
|
||
Discharge (λ H : a ∨ b, Discharge (λ H::1 : f b, DisjCases H (λ H : a, H) (λ H : b, AbsurdImpAny b a H H::1)))
|