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Proof step 12 from proof validref-put-field (conclusion)

⊦ validref(str, r0, ty0, st) ∧ validref(str, r, ty, st) ∧ is_obj(r, st) ∧ r0 ≠ jvmref ∧ st[r0 -- _type] .type ≤ fs .type ∧ fs ' ∈ instfields(st[r -- _type] .type .class) → validref(str, r, ty, st[r -- fs ', refval(r0)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 11:
fs ' ∈ instfields(st[r -- _type] .type .class), st[r0 -- _type] .type ≤ fs .type, is_obj(r, st), validref(str, r, ty, st), validref(str, r0, ty0, st) ⊦ r0 = jvmref, validref(str, r, ty, st[r -- fs ', refval(r0)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]