9 lines
229 B
Text
9 lines
229 B
Text
import tactic
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variable f {A : TypeU} : A → A
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axiom Ax1 (a : Bool) : f a = not a
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axiom Ax2 (a : Nat) : f a = 0
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rewrite_set S
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add_rewrite Ax1 Ax2 not_false : S
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theorem T1 (a : Nat) : f (f a > 0)
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:= by simp S
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print environment 1
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