Description: Lemma for lgsquad . (Contributed by Mario Carneiro, 18-Jun-2015)
Ref | Expression | ||
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Hypotheses | lgseisen.1 | |
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lgseisen.2 | |
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lgseisen.3 | |
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lgsquad.4 | |
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lgsquad.5 | |
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lgsquad.6 | |
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Assertion | lgsquadlem3 | |