Description: Condition for a functor to also be a functor into the restriction. (Contributed by Mario Carneiro, 6-Jan-2017)
Ref | Expression | ||
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Hypotheses | funcres2b.a | |
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funcres2b.h | |
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funcres2b.r | |
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funcres2b.s | |
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funcres2b.1 | |
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funcres2b.2 | |
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Assertion | funcres2b | |