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Proof step 108 from proof compat-addobj (previous step)

compatrefs(str, st), compatstatic(str, st), compatmode(str, st), newref(r0, st), is_predefined_class(class), class+∃(str, class) ⊦ r0 = jvmref, compatfields(str, r0, [], addobj(r0, class, [], st))

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 107:
⊦ compatfields(str, r, sks, st) ↔ (∀ sk. sk ∈ sks → r -- sk ∈ st ∧ is_fskey(sk) ∧ compat(str, st[r -- sk], sk .fs .type, st))

Rule argument

[crewrite-arg: fields-compat , F , [st, sks, r, str] → [addobj(r0, class, [], st), [], r0, str] ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ sk ∈ []])], [EXTRATERMS : (addobj(r0, class, [], st), [], r0, str)]]