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Proof step 21 from proof validfieldinits-def-01 (previous step)

sk .fs = mkfs(class0, ty0, fieldvar0), okval(val, ty), type∃(str, ty), validfieldinits(str, fis0, st), validfieldinits(fis0, st), is_referencevalue(val) → validrefval(str, val, ty, st), ∀ str, st. validfieldinits(str, fis0, st) ↔ validfieldinits(fis0, st) ∧ ¬ junkrefs(str, fis0 .vals, st) ∧ (∀ sk. sk ∈ fis0 → type∃(str, sk .fs .type)), ∀ sk. sk ∈ fis0 → type∃(str, sk .fs .type) ⊦ junkrefs(str, fis0 .vals, st), ( is_referencevalue(val) → val .refval = jvmref ∨ val .refval -- _type ∈ st ∧ is_typevalue(st[val .refval -- _type]) ∧ st[val .refval -- _type] .type ≤ ty) ∧ (¬ is_referencevalue(val) ∨ ¬ junkref(str, val .refval, st)) ∧ (sk ∈ (mkfs(class, ty, fieldvar) ' × val) ' + fis0 → type∃(str, ty0))

User applied rule case distinction

And obtained the following new goals

Rule argument

[CASEDARG : pos: right 2, ()]

Additional information

[[CONCRETESIMPRULES : ()]]