-lemma cprs_inv_cast1 (h) (G) (L): â\88\80W1,T1,X2. â¦\83G, Lâ¦\84 â\8a¢ â\93\9dW1.T1 â\9e¡*[h] X2 →
- â\88¨â\88¨ â\88\83â\88\83W2,T2. â¦\83G, Lâ¦\84 â\8a¢ W1 â\9e¡*[h] W2 & â¦\83G, Lâ¦\84 â\8a¢ T1 â\9e¡*[h] T2 & X2 = ⓝW2.T2
- | â¦\83G, Lâ¦\84 â\8a¢ T1 â\9e¡*[h] X2.
+lemma cprs_inv_cast1 (h) (G) (L): â\88\80W1,T1,X2. â\9dªG,Lâ\9d« â\8a¢ â\93\9dW1.T1 â\9e¡*[h,0] X2 →
+ â\88¨â\88¨ â\88\83â\88\83W2,T2. â\9dªG,Lâ\9d« â\8a¢ W1 â\9e¡*[h,0] W2 & â\9dªG,Lâ\9d« â\8a¢ T1 â\9e¡*[h,0] T2 & X2 = ⓝW2.T2
+ | â\9dªG,Lâ\9d« â\8a¢ T1 â\9e¡*[h,0] X2.