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Proof step 8 from proof refsize-nonzero-notin-ginval (previous step)

gstore[m] = groupblock(gndx, lax, (range ri | m).size), adr = @(m, m0, m1), inv(gstore \ ginval), ri-cons(ri, nodes(gstore ↓, ginval)), m ∈ gstore, m ∈ ginval, adr ∈ ri ⊦ # ginval = 0, ginval = ∅

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
gstore[m] = groupblock(gndx, lax, (range ri | m).size), inv(gstore \ ginval), ri-cons(ri, nodes(gstore ↓, ginval)), @(m, m0, m1) ∈ ri, m ∈ ginval, m ∈ gstore ⊦ # ginval = 0, ginval = ∅

Proof step 8 from proof refsize-nonzero-notin-ginval (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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