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Proof step 8 from proof isobj-put-badfield (previous step)

st[r -- _type] = typeval(mkclasstype(class)), sk ∈ instfields(class), r ∈ st, r -- _type ∈ st, is_indexkey(sk) ∨ ¬ r -- sk ∈ st ∨ ¬ okval(st[r -- fs ', val][r -- sk], sk .fs .type), ∀ sk0. sk0 ∈ instfields(class) → is_fskey(sk0) ∧ r -- sk0 ∈ st ∧ okval(st[r -- sk0], sk0 .fs .type) ⊦ r = jvmref, fs ' = _type, fs ' ∈ instfields(class)

User applied rule all left

And obtained the following new goals

Proof step 7:
st[r -- _type] = typeval(mkclasstype(class)), sk ∈ instfields(class), r ∈ st, r -- _type ∈ st, is_indexkey(sk) ∨ ¬ r -- sk ∈ st ∨ ¬ okval(st[r -- fs ', val][r -- sk], sk .fs .type), sk ∈ instfields(class) → is_fskey(sk) ∧ r -- sk ∈ st ∧ okval(st[r -- sk], sk .fs .type) ⊦ r = jvmref, fs ' = _type, fs ' ∈ instfields(class)

Rule argument

[EXRARG : pos: left 6, [extquanttermlist: (sk)abort:F, discard:T, computed:T]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (sk)]]