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Proof step 14 from proof validref-nopath-superset (previous step)

validrefs(str, r ' + refs0, mkclasstype(`java.lang.Object' .class), st0), validrefnotnull(str, r, st[r -- _type] .type, st), st ⊆ st0, newref((r ' + refs0) .last, st) ⊦ r = jvmref, (r ' + refs0) .last = jvmref

Heuristic weak cut applied rule cut formula

And obtained the following new goals

Proof step 10:
refs0 = [], validrefs(str, r ' + refs0, mkclasstype(`java.lang.Object' .class), st0), validrefnotnull(str, r, st[r -- _type] .type, st), st ⊆ st0, newref((r ' + refs0) .last, st) ⊦ r = jvmref, (r ' + refs0) .last = jvmref
Proof step 13:
validrefs(str, r ' + refs0, mkclasstype(`java.lang.Object' .class), st0), validrefnotnull(str, r, st[r -- _type] .type, st), st ⊆ st0, newref((r ' + refs0) .last, st) ⊦ refs0 = [], r = jvmref, (r ' + refs0) .last = jvmref

Rule argument

[fma-arg: refs0 = []]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRAFMAS : (refs0 = [])]]