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Proof step 89 from proof compat-addobj (previous step)

jvmref -- mkfs(class1, ty, fieldvar) ' ∈ st, initdone(class0, st), is_predefined_class(class), newref(r, st), compatmode(str, st), compatrefs(str, st), mkfs(class1, ty, fieldvar) ' ∈ statfields(class0), jvmref ∈ st, compat(str, st[jvmref -- mkfs(class1, ty, fieldvar) '], ty, st), class∃(str, class0) ∨ interface∃(str, class0), ∀ sk. sk ∈ statfields(class0) → jvmref -- sk ∈ st ∧ is_fskey(sk) ∧ compat(str, st[jvmref -- sk], sk .fs .type, st) ⊦ compat(str, st[jvmref -- mkfs(class1, ty, fieldvar) '], ty, addobj(r, class, [], st))

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 73:
⊦ addobj(r, class1, [], st) = st[r -- _type, typeval(mkclasstype(class1))]
Proof step 88:
jvmref -- mkfs(class1, ty, fieldvar) ' ∈ st, initdone(class0, st), is_predefined_class(class), newref(r, st), compatmode(str, st), compatrefs(str, st), mkfs(class1, ty, fieldvar) ' ∈ statfields(class0), jvmref ∈ st, compat(str, st[jvmref -- mkfs(class1, ty, fieldvar) '], ty, st), class∃(str, class0) ∨ interface∃(str, class0), ∀ sk. sk ∈ statfields(class0) → jvmref -- sk ∈ st ∧ is_fskey(sk) ∧ compat(str, st[jvmref -- sk], sk .fs .type, st) ⊦ compat(str, st[jvmref -- mkfs(class1, ty, fieldvar) '], ty, st[r -- _type, typeval(mkclasstype(class))])

Rule argument

[speclemmaarg: , addobj(r, class1, [], st) = st[r -- _type, typeval(mkclasstype(class1))] ,[st, class1, r] → [st, class, r] ,F ,addfuns , ,addobj-base ]

Additional information

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