import
import_segment "hol4"
type_maps
"option" > "Datatype.option"
const_maps
"option_case" > "Datatype.option.option_case"
"THE" > "Datatype.the"
"SOME" > "Datatype.option.Some"
"OPTION_MAP" > "Datatype.option_map"
"OPTION_JOIN" > "HOL4Compat.OPTION_JOIN"
"NONE" > "Datatype.option.None"
"IS_SOME" > "HOL4Compat.IS_SOME"
"IS_NONE" > "HOL4Compat.IS_NONE"
thm_maps
"option_nchotomy" > "Datatype.option.nchotomy"
"option_induction" > "HOL4Compat.OPTION_JOIN.induct"
"option_case_def" > "HOL4Compat.option_case_def"
"option_case_cong" > "HOL4Base.option.option_case_cong"
"option_case_compute" > "HOL4Base.option.option_case_compute"
"option_CLAUSES" > "HOL4Base.option.option_CLAUSES"
"THE_DEF" > "Datatype.the.simps"
"SOME_11" > "Datatype.option.simps_3"
"OPTION_MAP_EQ_SOME" > "HOL4Base.option.OPTION_MAP_EQ_SOME"
"OPTION_MAP_EQ_NONE" > "Datatype.option_map_is_None"
"OPTION_MAP_DEF" > "HOL4Compat.OPTION_MAP_DEF"
"OPTION_JOIN_EQ_SOME" > "HOL4Base.option.OPTION_JOIN_EQ_SOME"
"OPTION_JOIN_DEF" > "HOL4Compat.OPTION_JOIN_DEF"
"NOT_SOME_NONE" > "Datatype.option.simps_2"
"NOT_NONE_SOME" > "Datatype.option.simps_1"
"IS_SOME_DEF" > "HOL4Compat.IS_SOME_DEF"
"IS_NONE_DEF" > "HOL4Compat.IS_NONE_DEF"
ignore_thms
"option_axiom"
"option_TY_DEF"
"option_REP_ABS_DEF"
"option_Axiom"
"SOME_DEF"
"NONE_DEF"
end