Deformation.mws Defining the Elliptic Curve E. Computation of d(f(x,y)) and d(g(u,z)) Addition and Multiplication Functions for p-derivations Computation of d(f(x,y)) Computation of d(g(u,z)) Computation of d_U Computation of dparx(x) Computation of dpary(y) Defining dali and dante Computing A and B such that A*(\partial f / \partial x) + B*(\partial f / \partial y) = 1. Computation of d_V Computation of dparu(u) Computation of dparz(z) Defining defoe and delillo Computing Av and Bv such that Av*(\partial g / \partial u) + Bv*(\partial g / \partial z) = 1. Computation of d_V(u/z) Transformation of d_V(u/z) into the variables x and y. Computation of (d_U - d_V) (x)