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Theorem abs_abs_sub_le_abs_sub

Modification history

2020-10-12 20:50
src/algebra/order_functions.lean
chore(algebra/order*): move `abs`/`min`/`max`, review (#4581) …
Deleted abs_abs_sub_le_abs_subView on Github →
2018-01-19 16:18
algebra/functions.lean
feat(data/real,*): supporting material for metric spaces
Added abs_abs_sub_le_abs_subView on Github →