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Theorem norm_num.sub_nat_zero_helper

Modification history

2020-06-29 16:12
src/init_/algebra/norm_num.lean
chore(init_/): remove this directory (#3227) …
Deleted norm_num.sub_nat_zero_helperView on Github →
2020-05-17 17:58
src/init_/algebra/norm_num.lean
chore(*): bump to lean-3.13.1 (#2697) …
Added norm_num.sub_nat_zero_helperView on Github →