-lemma lexs_tc_push_dx: ∀RN,RP. (∀L. reflexive … (RN L)) → (∀L. reflexive … (RP L)) →
- ∀f,I1,I2,L1. (LTC … RP) L1 I1 I2 → ∀L2. L1 ⪤*[RN, RP, f] L2 →
- TC â\80¦ (lexs RN RP (â\86\91f)) (L1.ⓘ{I1}) (L2.ⓘ{I2}).
+lemma lexs_tc_push_dx: ∀RN,RP. c_reflexive … RN → c_reflexive … RP →
+ ∀f,I1,I2,L1. (CTC … RP) L1 I1 I2 → ∀L2. L1 ⪤*[RN, RP, f] L2 →
+ TC â\80¦ (lexs RN RP (⫯f)) (L1.ⓘ{I1}) (L2.ⓘ{I2}).