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Proof step 11 from proof is_valid_ref-put-samefield-01 (previous step)

okval(val, fs .type), class+∃(str, st[r -- _type] .type .class), is_obj(r, st) ⊦ fs ' = _type, fs ' = _length, is_obj(str, r, st[r -- fs ', val]), is_array(str, r, st), is_abstract(st[r -- _type] .type .class)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 10:
fs = mkfs(class, ty, fieldvar), okval(val, ty), class+∃(str, st[r -- _type] .type .class), is_obj(r, st) ⊦ fs ' = _type, fs ' = _length, is_obj(str, r, st[r -- fs ', val]), is_array(str, r, st), is_abstract(st[r -- _type] .type .class)

Rule argument

[speclemmaarg: , class = fs .class ∧ ty = fs .type ∧ fieldvar = fs .field ↔ fs = mkfs(class, ty, fieldvar) ,[fs, class, ty, fieldvar] → [fs, class, ty, fieldvar] ,T ,fieldspec , ,elim ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ class = fs .class ∧ ty = fs .type ∧ fieldvar = fs .field ↔ fs = mkfs(class, ty, fieldvar)])], [EXTRATERMS : (fs, class, ty, fieldvar)]]