Require Import Crypto.Arithmetic.PrimeFieldTheorems. Require Import Crypto.Specific.montgomery64_2e198m17_4limbs.Synthesis. (* TODO : change this to field once field isomorphism happens *) Definition add : { add : feBW_small -> feBW_small -> feBW_small | forall a b, phiM_small (add a b) = F.add (phiM_small a) (phiM_small b) }. Proof. Set Ltac Profiling. Time synthesize_add (). Show Ltac Profile. Time Defined. Print Assumptions add.