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Proof step 14 from proof is_obj-no-refval-01 (previous step)

mkfs(str2 .class, mkarraytype(ty), str1 .field) ' ∈ instfields(st[r -- _type] .type .class) ⊦ ¬ is_referencevalue(st[r -- mkfs(str2 .class, mkarraytype(ty), str1 .field) ']) → ¬ is_obj(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 1:
⊦ is_obj(str, r, st) ↔ class+∃(str, st[r -- _type] .type .class) ∧ ¬ is_abstract(st[r -- _type] .type .class) ∧ is_obj(r, st)
Proof step 13:
mkfs(str2 .class, mkarraytype(ty), str1 .field) ' ∈ instfields(st[r -- _type] .type .class), class+∃(str, st[r -- _type] .type .class), is_obj(r, st) ⊦ is_referencevalue(st[r -- mkfs(str2 .class, mkarraytype(ty), str1 .field) ']), is_abstract(st[r -- _type] .type .class)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]