lemma aaa_feqg_conf (S):
reflexive … S →
- â\88\80G1,G2,L1,L2,T1,T2. â\9dªG1,L1,T1â\9d« â\89\9b[S] â\9dªG2,L2,T2â\9d« →
- â\88\80A. â\9dªG1,L1â\9d« â\8a¢ T1 â\81\9d A â\86\92 â\9dªG2,L2â\9d« ⊢ T2 ⁝ A.
+ â\88\80G1,G2,L1,L2,T1,T2. â\9d¨G1,L1,T1â\9d© â\89\9b[S] â\9d¨G2,L2,T2â\9d© →
+ â\88\80A. â\9d¨G1,L1â\9d© â\8a¢ T1 â\81\9d A â\86\92 â\9d¨G2,L2â\9d© ⊢ T2 ⁝ A.
#S #HS #G1 #G2 #L1 #L2 #T1 #T2 * -G2 -L2 -T2
/2 width=7 by aaa_teqg_conf_reqg/ qed-.