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Proof step 36 from proof validrefs-levelsubset (previous step)

validrefs(str, refs, ty0, st), level⊆(str, str0) ⊦ validrefs(str0, refs, ty0, st)

User applied rule structural induction

And obtained the following new goals

Proof step 1:
⊦ validrefs(str, [], ty, st)
Proof step 35:
∀ str, ty0, st, str0. validrefs(str, acc, ty0, st) ∧ level⊆(str, str0) → validrefs(str0, acc, ty0, st), validrefs(str, r + acc, ty0, st), level⊆(str, str0) ⊦ validrefs(str0, r + acc, ty0, st)

Rule argument

[VARWITHVARSEQSARG : refs, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : references generated by [], +;])]]