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Proof step 22 from proof validref-primarray (previous step)

okarray(r, ty, st), is_primtype(ty), junkrefs(str, r ' + refs0, st[r -- _type] .type, st), r ∈ st ⊦ r = jvmref

User applied rule cut formula

And obtained the following new goals

Proof step 7:
st[r -- _type] .type = mkarraytype(ty), okarray(r, ty, st), is_primtype(ty), junkrefs(str, r ' + refs0, st[r -- _type] .type, st), r ∈ st ⊦ r = jvmref
Proof step 21:
okarray(r, ty, st), is_primtype(ty), junkrefs(str, r ' + refs0, st[r -- _type] .type, st), r ∈ st ⊦ st[r -- _type] .type = mkarraytype(ty), r = jvmref

Rule argument

[fma-arg: st[r -- _type] .type = mkarraytype(ty)]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRAFMAS : (st[r -- _type] .type = mkarraytype(ty))]]