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Proof step 27 from proof compatobj-isobj (previous step)

st[r -- _type] .type = mkclasstype(class), compatfields(str, r, instfields(class), st), class+∃(str, class), is_classtype(st[r -- _type] .type) ⊦ r = jvmref, is_obj(r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 26:
st[r -- _type] .type = mkclasstype(class), class+∃(str, class), compatfields(str, r, instfields(class), st) ⊦ r = jvmref, is_obj(r, st)

Rule argument

[emptyarg]

Additional information

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