ZF/indrule/mutual_ind_tac: ensured that asm_full_simp_tac ignores any equalities, by adding setmksimps K[].
ZF/indrule/mutual_ind_tac: ensured that asm_full_simp_tac ignores any
equalities, by adding setmksimps K[].

ZF/indrule/mut_ss: removed Collect_cong; it is redundant.

MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle