Description: Lemma 2 for ply1mulgsum . (Contributed by AV, 19-Oct-2019)
Ref | Expression | ||
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Hypotheses | ply1mulgsum.p | |
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ply1mulgsum.b | |
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ply1mulgsum.a | |
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ply1mulgsum.c | |
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ply1mulgsum.x | |
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ply1mulgsum.pm | |
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ply1mulgsum.sm | |
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ply1mulgsum.rm | |
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ply1mulgsum.m | |
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ply1mulgsum.e | |
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Assertion | ply1mulgsumlem2 | |