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Theorem preimage_neg_rat

Modification history

2018-01-19 17:05
analysis/real.lean
feat(analysis/real): swap out the definition of real, shorten proofs
Deleted preimage_neg_ratView on Github →
2017-08-10 16:36
topology/real.lean
construct reals as complete, linear ordered field
Added preimage_neg_ratView on Github →