7 lines
237 B
Text
7 lines
237 B
Text
import standard unit decidable if
|
||
using bool unit decidable
|
||
|
||
variables a b c : bool
|
||
variables u v : unit
|
||
set_option pp.implicit true
|
||
check if ((a = b) ∧ (b = c) → ¬ (u = v) ∨ (a = c) → (a = c) ↔ a = tt ↔ true) then a else b
|