Description: Lemma for lgsquad2 . (Contributed by Mario Carneiro, 19-Jun-2015)
Ref | Expression | ||
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Hypotheses | lgsquad2.1 | |
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lgsquad2.2 | |
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lgsquad2.3 | |
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lgsquad2.4 | |
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lgsquad2.5 | |
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lgsquad2lem2.f | |
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lgsquad2lem2.s | |
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Assertion | lgsquad2lem2 | |