theory CDCL_W_Full imports CDCL_W_Termination CDCL_WNOT begin context conflict_driven_clause_learning⇩W begin lemma rtranclp_cdcl⇩W_merge_stgy_distinct_mset_clauses: assumes invR: "cdcl⇩W_all_struct_inv R" and st: "cdcl⇩W_s'⇧*⇧* R S" and smaller: ‹no_smaller_propa R› and dist: "distinct_mset (clauses R)" shows "distinct_mset (clauses S)" using rtranclp_cdcl⇩W_stgy_distinct_mset_clauses[OF _ invR dist smaller] invR st rtranclp_mono[of cdcl⇩W_s' "cdcl⇩W_stgy⇧*⇧*"] cdcl⇩W_s'_is_rtranclp_cdcl⇩W_stgy by (auto dest!: cdcl⇩W_s'_is_rtranclp_cdcl⇩W_stgy) end end