remove duplicate lemmas #257
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pi8027
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Sep 11, 2020
theories/normedtype.v
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| Section Nbhs'. | ||
| Context {R : numDomainType} {T : pseudoMetricType R}. | ||
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| Lemma ex_ball_sig (x : T) (P : set T) : | ||
| ~ (forall eps : {posnum R}, ~ (ball x eps%:num `<=` ~` P)) -> | ||
| {d : {posnum R} | ball x d%:num `<=` ~` P}. | ||
| Proof. | ||
| rewrite forallN eqNNP => exNP. | ||
| rewrite forallNE eqNN => exNP. |
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I guess eqNN should be named notK. (Indeed this is not the point of this PR.)
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Just removed three lemmas that made their way into
boolp.v(with a different name).