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Proof step 8 from proof gfts-null (previous step)

goodfieldandtype(r0, sk, st) ∧ goodfieldsandtypes(r0, sks0, st), ∀ sk, r0, st, val. sk = _type ∨ (goodfieldsandtypes(r0, sks0, st[jvmref -- sk, val]) ↔ goodfieldsandtypes(r0, sks0, st)) ∨ sk ∈ sks0 ⊦ goodfieldsandtypes(r0, sks0, st[jvmref -- sk0, val]) ∧ goodfieldandtype(r0, sk, st), sk0 = sk, sk0 = _type, sk0 ∈ sks0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
goodfieldandtype(r0, sk, st), goodfieldsandtypes(r0, sks0, st), ∀ sk, r0, st, val. sk = _type ∨ (goodfieldsandtypes(r0, sks0, st[jvmref -- sk, val]) ↔ goodfieldsandtypes(r0, sks0, st)) ∨ sk ∈ sks0 ⊦ sk0 = sk, sk0 = _type, sk0 ∈ sks0, goodfieldsandtypes(r0, sks0, st[jvmref -- sk0, val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]