12 lines
221 B
Text
12 lines
221 B
Text
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Variable A : Type
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Variable B : Type
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Variable A' : Type
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Variable B' : Type
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Axiom H : A -> B = A' -> B'
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Variable a : A
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Check DomInj H
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Theorem BeqB' : B = B' := RanInj H a
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Set pp::implicit true
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Show DomInj H
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Show RanInj H a
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