Require Import Crypto.Arithmetic.PrimeFieldTheorems. Require Import Crypto.Specific.solinas64_2e255m19.Synthesis. (* TODO : change this to field once field isomorphism happens *) Definition square : { square : feBW_loose -> feBW_tight | forall a, phiBW_tight (square a) = F.mul (phiBW_loose a) (phiBW_loose a) }. Proof. Set Ltac Profiling. Time synthesize_square (). Show Ltac Profile. Time Defined. Print Assumptions square.