proposition: Theorem G1_G2_equiv : | Pr[G1] - Pr[G2] | <= Adv_WCR _ _ F (Rnd k) au_F_A.
proof: Proof. rewrite G2_1_equiv. rewrite G2_1_2_equiv. rewrite G2_2_3_equiv. rewrite <- G2_5_equiv. rewrite <- G2_4_5_equiv. eapply G2_3_4_close. Qed.
imports: FCF PRF SplitVector cAU CompFold DetSem SemEquiv