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Proof step 142 from proof compat-addclass (previous step)

fis .keys = statfields(class), st[r -- _type] = typeval(mkclasstype(class0)), compatobj(str, r, st), r ∈ st, r -- _type ∈ st, okfieldinits(class, fis), compatstatic(str, st), compatmode(str, st), class+∃(str, class0) ⊦ r = jvmref, compatfields(str, r, instfields(class0), addclass(class, fis, st))

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 132:
⊦ compatobj(str, r, st) ↔ is_classtype(st[r -- _type] .type) ∧ class+∃(str, st[r -- _type] .type .class) ∧ compatfields(str, r, instfields(st[r -- _type] .type .class), st)
Proof step 141:
fis .keys = statfields(class), st[r -- _type] = typeval(mkclasstype(class0)), is_classtype(st[r -- _type] .type) ∧ class+∃(str, st[r -- _type] .type .class) ∧ compatfields(str, r, instfields(st[r -- _type] .type .class), st), r ∈ st, r -- _type ∈ st, okfieldinits(class, fis), compatstatic(str, st), compatmode(str, st), class+∃(str, class0) ⊦ r = jvmref, compatfields(str, r, instfields(class0), addclass(class, fis, st))

Rule argument

[crewrite-arg: obj-compat, F, [st, r, str] → [st, r, str]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, r, str)]]