proposition: Theorem G2_G3_close : | Pr[G2] - Pr[G3] | <= q1 / (2 ^ eta) + q2 / (2 ^ eta).
proof: Proof. rewrite G2_1_equiv. rewrite G2_1_2_equiv. eapply ratDistance_le_trans. eapply G2_2_3_close. rewrite G2_3_4_equiv. rewrite <- G2_5_G3_equiv. eapply G2_4_5_close. Qed.
imports: FCF PRF Encryption RndInList OTP WC_PolyTime