Commit 2024-02-28 17:59 449a4a9b

View on Github →

feat: , and ℚ≥0 are star-ordered rings (#10633) Also golf the existing instance for and rename Rat.num_nonneg_iff_zero_le to Rat.num_nonneg, Rat.num_pos_iff_pos to Rat.num_pos. From LeanAPAP

Estimated changes

added theorem Rat.num_neg
modified theorem Rat.num_nonneg
added theorem Rat.num_nonpos
modified theorem Rat.num_pos