{s0ii' s1ii' sii0' sii1' si0i' si1i'} (t0ii : s0ii = s0ii') (t1ii : s1ii = s1ii') (tii0 : sii0 = sii0') (tii1 : sii1 = sii1') (ti0i : si0i = si0i') (ti1i : si1i = si1i') : PathCube s0ii s1ii sii0 sii1 si0i si1i <~> PathCube s0ii' s1ii' sii0' sii1' si0i' si1i'. Proof. by destruct t0ii, t1ii, tii0, tii1, ti0i, ti1i. Defined.
Require Import Basics. Require Import Cubical.DPath. Require Import Cubical.PathSquare. Require Import Cubical.DPathSquare. Require Import Types.Paths Types.Prod.