Description: Lemma for ulmcau and ulmcau2 : show the equivalence of the four- and five-quantifier forms of the Cauchy convergence condition. Compare cau3 . (Contributed by Mario Carneiro, 1-Mar-2015)
Ref | Expression | ||
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Hypotheses | ulmcau.z | |
|
ulmcau.m | |
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ulmcau.s | |
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ulmcau.f | |
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Assertion | ulmcaulem | |