Commit 2022-09-02 10:49 86152105

View on Github →

feat(data/rat/defs): inv_coe_{int,nat}_{num,denom} (#15863) Rename existing lemmas to inv_coe_{int,nat}_{num,denom}_of_pos since they took positivity assumptions Also provide rat.inv_neg.

Estimated changes

Modified src/data/rat/defs.lean

modified theorem rat.inv_coe_int_denom

added theorem rat.inv_coe_int_denom_of_pos

modified theorem rat.inv_coe_int_num

added theorem rat.inv_coe_int_num_of_pos

modified theorem rat.inv_coe_nat_denom

added theorem rat.inv_coe_nat_denom_of_pos

modified theorem rat.inv_coe_nat_num

added theorem rat.inv_coe_nat_num_of_pos