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Proof step 77 from proof compat-addclass (previous step)

¬ (¬ mkfs(class1, ty, fieldvar) ' ∈ fis ∧ mkfs(class1, ty, fieldvar) ' ≠ mkfs(class1, void_type, `initstate' .field) '), fis .keys = statfields(class1), jvmref -- mkfs(class1, ty, fieldvar) ' ∈ st, initdone(class0, addclass(class1, fis, st)), okfieldinits(class1, fis), compatrefs(str, st), compatmode(str, st), initdone(class0, 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) ⊦ class1 = class0, compat(str, addclass(class1, fis, st)[jvmref -- mkfs(class1, ty, fieldvar) '], ty, addclass(class1, fis, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 76:
fis .keys = statfields(class1), jvmref -- mkfs(class1, ty, fieldvar) ' ∈ st, initdone(class0, addclass(class1, fis, st)), okfieldinits(class1, fis), compatrefs(str, st), compatmode(str, st), initdone(class0, 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) ⊦ class1 = class0, compat(str, addclass(class1, fis, st)[jvmref -- mkfs(class1, ty, fieldvar) '], ty, addclass(class1, fis, st)), ¬ mkfs(class1, ty, fieldvar) ' ∈ fis ∧ (ty ≠ void_type ∨ fieldvar ≠ `initstate' .field)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) = mkfs(class0, ty0, fieldvar0) ↔ class = class0 ∧ ty = ty0 ∧ fieldvar = fieldvar0], [CSIMPSEQ : ⊦ fs ' = fs0 ' ↔ fs = fs0])]]