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Proof step 57 from proof prepost-remove-nonend-blocks (previous step)

# lax = # gndx1 + # gndx, gndx1.last = mkgnode(nd, m0, boolvar, boolvar0), gstore2[n] = groupblock(gndx1 + gndx, lax, m), ¬ boolvar0, prefixn(# gndx1, lax) = [], valid-group-nodes(gndx1) = valid-group-nodes(gndx1 + gndx), inv(groupblock(gndx1 + gndx, lax, m)), inv(gstore2 \ ginval), n ∈ gstore2 ⊦ gndx1 = [], n ∈ ginval

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 58:
# lax = # gndx1 + # gndx, gndx1.last = mkgnode(nd, m0, boolvar, false), gstore2[n] = groupblock(gndx1 + gndx, lax, m), prefixn(# gndx1, lax) = [], valid-group-nodes(gndx1) = valid-group-nodes(gndx1 + gndx), inv(gstore2 \ ginval), inv(groupblock(gndx1 + gndx, lax, m)), n ∈ gstore2 ⊦ gndx1 = [], n ∈ ginval

Proof step 57 from proof prepost-remove-nonend-blocks (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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