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Commit 2020-05-09 20:30 9f33b7dd

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feat(algebra/ordered_*): arithmetic operations on monotone functions (#2634) Also move strict_mono to order/basic and add a module docstring.

Estimated changes

deleted theorem strict_mono.compares
deleted theorem strict_mono.injective
deleted theorem strict_mono.le_iff_le
deleted theorem strict_mono.lt_iff_lt
deleted theorem strict_mono.monotone
deleted def strict_mono
added theorem monotone.div_const
added theorem strict_mono.div_const
added theorem monotone.add
added theorem monotone.add_const
added theorem monotone.const_add
added theorem monotone.const_mul
added theorem monotone.mul
added theorem monotone.mul_const
added theorem strict_mono.const_mul
added theorem strict_mono.mul
added theorem strict_mono.mul_const
added theorem strict_mono.comp
added theorem strict_mono.compares
added theorem strict_mono.injective
added theorem strict_mono.le_iff_le
added theorem strict_mono.lt_iff_lt
added theorem strict_mono.monotone
added def strict_mono