Logically speaking, this kind of mistake shouldn't happen.
Tips
usage
Frequently expanded to 按理说 (ànlǐ shuō, 'logically speaking') or 按理来说 (ànlǐ lái shuō). Sets up an expectation that the next clause often contradicts: 按理他应该来，可是他没来 ('by rights he should have come, but he didn't'). Synonyms: 照理 (zhàolǐ), 按说 (ànshuō).
