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Proof step 42 from proof junkrefs-put-array-norefval (previous step)

∀ val, st, r1, str, ty, i. okval(val, st[r1 -- _type] .type .type) ∧ junkrefs(str, acc, ty, st[r1 -- i ', val]) → is_referencevalue(val) ∨ junkrefs(str, acc, ty, st), okval(val, st[r1 -- _type] .type .type), junkrefs(str, r + acc, ty, st[r1 -- i ', val]) ⊦ is_referencevalue(val), junkrefs(str, r + acc, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 41:
okval(val, st[r1 -- _type] .type .type), junkrefs(str, r ' + acc, ty, st[r1 -- i ', val]), ∀ val, st, r1, str, ty, i. okval(val, st[r1 -- _type] .type .type) ∧ junkrefs(str, acc, ty, st[r1 -- i ', val]) → is_referencevalue(val) ∨ junkrefs(str, acc, ty, st) ⊦ is_referencevalue(val), junkrefs(str, r ' + acc, ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ r + refs = r ' + refs])]]