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Proof step 5 from proof gfts-not-01 (previous step)

oktype(val, ty, st), goodfieldandtype(r, sk, st), goodfieldsandtypes(r, sks0, st), goodfieldandtype(r, sk, st[r0 -- mkfs(class0, ty, fieldvar) ', val]), ∀ val, ty, st, r, class0, fieldvar, r0. oktype(val, ty, st) ∧ goodfieldsandtypes(r, sks0, st) → mkfs(class0, ty, fieldvar) ' = _type ∨ goodfieldsandtypes(r, sks0, st[r0 -- mkfs(class0, ty, fieldvar) ', val]) ⊦ mkfs(class0, ty, fieldvar) ' = _type, goodfieldsandtypes(r, sks0, st[r0 -- mkfs(class0, ty, fieldvar) ', val])

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 5, [QUANTTERMLIST : (val, ty, st, r, class0, fieldvar, r0)]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (val, ty, st, r, class0, fieldvar, r0)]]