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+Require Import Crypto.Arithmetic.PrimeFieldTheorems.
+Require Import Crypto.Specific.X2448.Karatsuba.C64.Synthesis.
+
+(* TODO : change this to field once field isomorphism happens *)
+Definition mul :
+ { mul : feBW -> feBW -> feBW
+ | forall a b, phiBW (mul a b) = F.mul (phiBW a) (phiBW b) }.
+Proof.
+ Set Ltac Profiling.
+ Time synthesize_mul ().
+ Show Ltac Profile.
+Time Defined.