-lemma fqup_drops_strap1: â\88\80b,G1,G2,L1,K1,K2,T1,T2,U1,i. â¬\87*[i] L1 â\89\98 K1 â\86\92 â¬\86*[i] T1 ≘ U1 →
- ⦃G1, K1, T1⦄ ⊐[b] ⦃G2, K2, T2⦄ → ⦃G1, L1, U1⦄ ⊐+[b] ⦃G2, K2, T2⦄.
+lemma fqup_drops_strap1: â\88\80b,G1,G2,L1,K1,K2,T1,T2,U1,i. â\87©*[i] L1 â\89\98 K1 â\86\92 â\87§*[i] T1 ≘ U1 →
+ ⦃G1,K1,T1⦄ ⬂[b] ⦃G2,K2,T2⦄ → ⦃G1,L1,U1⦄ ⬂+[b] ⦃G2,K2,T2⦄.