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Proof step 1 from proof adr-in-index-node-key (conclusion)

⊦ @(n, n0, n1) ∈ ri ∧ # gndx1 = # lax1 ∧ ri-cons(ri, nodes(gstore ↓, ginval)) ∧ gstore[n] = groupblock(gndx0 + gnd ' + gndx1, lax0 + @(n0, n1) ' + lax1, m0) ∧ inv(groupblock(gndx0 + gnd ' + gndx1, lax0 + @(n0, n1) ' + lax1, m0)) → gnd.nd.key ∈ ri ∧ ri[gnd.nd.key] = @(n, n0, n1)

System applied rule normalize

And obtained the following new goals

Proof step 2:
# gndx1 = # lax1, gstore[n] = groupblock(gndx0 + gnd ' + gndx1, lax0 + @(n0, n1) ' + lax1, m0), inv(groupblock(gndx0 + gnd ' + gndx1, lax0 + @(n0, n1) ' + lax1, m0)), ri-cons(ri, nodes(gstore ↓, ginval)), @(n, n0, n1) ∈ ri ⊦ gnd.nd.key ∈ ri ∧ ri[gnd.nd.key] = @(n, n0, n1)

Proof step 1 from proof adr-in-index-node-key (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

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