8 lines
195 B
Text
8 lines
195 B
Text
import Int.
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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 := substp (λ x, (g x) > 0) H2 H1
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print environment 2
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