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Proof step 7 from proof is_obj-full-expand (previous step)

st[r -- _type] .type = mkclasstype(class), class+∃(str, class), r -- _type ∈ st, is_typevalue(st[r -- _type]), is_classtype(st[r -- _type] .type), r ∈ st ⊦ is_obj(r, class, st) ↔ goodfieldsandtypes(r, instfields(class), st), r = jvmref, is_abstract(class)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
st[r -- _type] .type = mkclasstype(class), r ∈ st, is_typevalue(st[r -- _type]), r -- _type ∈ st, class+∃(str, class) ⊦ r = jvmref, is_obj(r, class, st) ↔ goodfieldsandtypes(r, instfields(class), st), is_abstract(class)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_classtype(mkclasstype(class))])]]