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Proof step 14 from proof validfield-put-statfield (previous step)

r ≠ jvmref ∨ sk ≠ sk0 ⊦ goodfieldandtype(r, sk0, st[jvmref -- sk, val]) ∧ type∃(str, sk0 .fs .type) ∧ sk0 .fs .type ≠ void_type ∧ (is_reftype(sk0 .fs .type) → validrefval(str, st[jvmref -- sk, val][r -- sk0], sk0 .fs .type, st[jvmref -- sk, val])) ↔ validfield(str, r, sk0, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ validrefval(str, val, ty, st[jvmref -- sk, val0]) ↔ validrefval(str, val, ty, st)
Proof step 13:
r ≠ jvmref ∨ sk ≠ sk0 ⊦ goodfieldandtype(r, sk0, st[jvmref -- sk, val]) ∧ type∃(str, sk0 .fs .type) ∧ sk0 .fs .type ≠ void_type ∧ (is_reftype(sk0 .fs .type) → validrefval(str, st[jvmref -- sk, val][r -- sk0], sk0 .fs .type, st)) ↔ validfield(str, r, sk0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]