10 lines
195 B
Text
10 lines
195 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 := SubstP (λ x : ℤ, g x > 0) H2 H1
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