1 lemma pr_pat_after_uni_tls (i2) (i1):
3 ∀f. 𝐮❨i2❩ ⊚ ⫰*[i2] f2 ≘ f → f2 ⊚ 𝐮❨i1❩ ≘ f.
5 . replace.sh . "/substitution/" "/unwind/"
8 266D;MUSIC FLAT SIGN;So;0;ON;;;;;N;FLAT;;;;
9 266E;MUSIC NATURAL SIGN;So;0;ON;;;;;N;NATURAL;;;;
10 266F;MUSIC SHARP SIGN;Sm;0;ON;;;;;N;SHARP;;;;
12 include "ground/xoa/ex_6_5.ma".