Description: Lemma for unbdqndv2 . (Contributed by Asger C. Ipsen, 12-May-2021)
Ref | Expression | ||
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Hypotheses | unbdqndv2lem1.a | |
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unbdqndv2lem1.b | |
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unbdqndv2lem1.c | |
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unbdqndv2lem1.d | |
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unbdqndv2lem1.e | |
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unbdqndv2lem1.1 | |
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unbdqndv2lem1.2 | |
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Assertion | unbdqndv2lem1 | |