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Proof step 11 from proof validref-putrkvs-norefval (previous step)

fs = mkfs(class, ty0, fieldvar), okval(st[r1 -- fs '], ty0), r1 -- fs ' ∈ st, okval(val, ty0), r1 ∈ st ⊦ validref(str, r, ty, st[((r1 -- fs ') × val) ' + rkvs]) ↔ validref(str, r, ty, st[rkvs]), fs ' = _length, ty0 = void_type, is_referencevalue(val)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
okval(st[r1 -- mkfs(class, ty0, fieldvar) '], ty0), r1 -- mkfs(class, ty0, fieldvar) ' ∈ st, okval(val, ty0), r1 ∈ st ⊦ validref(str, r, ty, st[((r1 -- mkfs(class, ty0, fieldvar) ') × val) ' + rkvs]) ↔ validref(str, r, ty, st[rkvs]), mkfs(class, ty0, fieldvar) ' = _length, ty0 = void_type, is_referencevalue(val)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]