-theorem cpre_mono: āL,T,T1. L ā¢ T ā”* šā¦T1ā¦ ā āT2. L ā¢ T ā”* šā¦T2ā¦ ā T1 = T2.
-#L #T #T1 * #H1T1 #H2T1 #T2 * #H1T2 #H2T2
+theorem cpre_mono: āG,L,T,T1. ā¦G, Lā¦ ā¢ T ā”* šā¦T1ā¦ ā āT2. ā¦G, Lā¦ ā¢ T ā”* šā¦T2ā¦ ā T1 = T2.
+#G #L #T #T1 * #H1T1 #H2T1 #T2 * #H1T2 #H2T2