# Commit 2023-03-17 12:30 2d5739b6

View on Github →chore(ring_theory/power_series/basic): remove commutativity assumption (#18599) Also moves a lost lemma that belongs in an earlier file.

chore(ring_theory/power_series/basic): remove commutativity assumption (#18599) Also moves a lost lemma that belongs in an earlier file.