7 lines
237 B
Text
7 lines
237 B
Text
import standard unit decidable if
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using bool unit decidable
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variables a b c : bool
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variables u v : unit
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set_option pp.implicit true
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check if ((a = b) ∧ (b = c) → ¬ (u = v) ∨ (a = c) → (a = c) ↔ a = '1 ↔ true) then a else b
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