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Proof step 9 from proof isobj-subset (previous step)

st1[r -- _type] = typeval(mkclasstype(class)), st[r -- _type] = typeval(mkclasstype(class)), r -- _type ∈ st, r -- _type ∈ st1, r ∈ st, r ∈ st1, mkfs(class0, ty, fieldvar) ' ∈ instfields(class), r -- mkfs(class0, ty, fieldvar) ' ∈ st, okval(st[r -- mkfs(class0, ty, fieldvar) '], ty), ∀ sk. sk ∈ instfields(class) → goodfieldandtype(r, sk, st), ∀ rk. rk ∈ st → rk ∈ st1 ∧ st[rk] = st1[rk] ⊦ r = jvmref, r -- mkfs(class0, ty, fieldvar) ' ∈ st1 ∧ okval(st1[r -- mkfs(class0, ty, fieldvar) '], ty)

User applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 11, [extquanttermlist: (r -- mkfs(class0, ty, fieldvar) ') abort:F , discard:T , computed:T ]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (r -- mkfs(class0, ty, fieldvar) ')]]