proposition: Theorem PRF_DRBG_G3_bad_2_3_equiv : Pr[PRF_DRBG_G3_bad_2] == Pr[PRF_DRBG_G3_bad_3].
proof: Proof. unfold PRF_DRBG_G3_bad_2, PRF_DRBG_G3_bad_3. fcf_to_prhl_eq. pose proof PRF_DRBG_f_bad_2_compMap_equiv. fcf_skip. Qed.
imports: FCF HasDups RndInList CompFold Permutation PRF