8 lines
181 B
Text
8 lines
181 B
Text
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Variable g {A : Type} (a : A) : A
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Variable a : Int
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Variable b : Int
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Axiom H1 : a = b
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Axiom H2 : (g a) > 0
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Theorem T1 : (g b) > 0 := Subst (λ x, (g x) > 0) H2 H1
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Show Environment 2
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