/2 width=5 by fqus_strap1_fqu, fqup_strap1/
qed-.
-lemma fqup_fqus_trans: ∀G1,G,L1,L,T1,T. ⦃G1, L1, T1⦄ ⊃+ ⦃G, L, T⦄ →
- â\88\80G2,L2,T2. â¦\83G, L, Tâ¦\84 â\8a\83* â¦\83G2, L2, T2â¦\84 â\86\92 â¦\83G1, L1, T1â¦\84 â\8a\83+ â¦\83G2, L2, T2â¦\84.
-#G1 #G #L1 #L #T1 #T #H1 @(fqup_ind_dx … H1) -H1 -G1 -L1 -T1
+lemma fqup_fqus_trans: ∀G1,G,G2,L1,L,L2,T1,T,T2. ⦃G1, L1, T1⦄ ⊃+ ⦃G, L, T⦄ →
+ ⦃G, L, T⦄ ⊃* ⦃G2, L2, T2⦄ → ⦃G1, L1, T1⦄ ⊃+ ⦃G2, L2, T2⦄.
+#G1 #G #G2 #L1 #L #L2 #T1 #T #T2 #H1 @(fqup_ind_dx … H1) -H1 -G1 -L1 -T1
/3 width=5 by fqus_strap2_fqu, fqup_strap2/
qed-.