Theory CDCL_W_Full
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