Description: Lemma for cxpaddle . (Contributed by Mario Carneiro, 2-Aug-2014)
Ref | Expression | ||
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Hypotheses | cxpaddlelem.1 | |
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cxpaddlelem.2 | |
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cxpaddlelem.3 | |
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cxpaddlelem.4 | |
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cxpaddlelem.5 | |
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Assertion | cxpaddlelem | |