-lemma cpxs_fwd_beta_vector (h) (p) (G) (L):
- ∀Vs,V,W,T,X2. ❪G,L❫ ⊢ ⒶVs.ⓐV.ⓛ[p]W.T ⬈*[h] X2 →
- ∨∨ ⒶVs.ⓐV.ⓛ[p]W. T ⩳ X2 | ❪G,L❫ ⊢ ⒶVs.ⓓ[p]ⓝW.V.T ⬈*[h] X2.
-#h #p #G #L #Vs elim Vs -Vs /2 width=1 by cpxs_fwd_beta/
+lemma cpxs_fwd_beta_vector (p) (G) (L):
+ ∀Vs,V,W,T,X2. ❪G,L❫ ⊢ ⒶVs.ⓐV.ⓛ[p]W.T ⬈* X2 →
+ ∨∨ ⒶVs.ⓐV.ⓛ[p]W. T ⩳ X2 | ❪G,L❫ ⊢ ⒶVs.ⓓ[p]ⓝW.V.T ⬈* X2.
+#p #G #L #Vs elim Vs -Vs /2 width=1 by cpxs_fwd_beta/