10 lines
220 B
Text
10 lines
220 B
Text
Set: pp::colors
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Set: pp::unicode
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Assumed: g
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Assumed: a
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Assumed: b
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Assumed: H1
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Assumed: H2
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Proved: T1
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Axiom H2 : (g a) > 0
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Theorem T1 : (g b) > 0 := Subst (λ x : ℤ, if Bool ((g x) ≤ 0) ⊥ ⊤) H2 H1
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