| gblock = groupblock(gndx, lax, m), gndx = gstore[n].gndlist, lax = gstore[n].ladrlist, n ∈ gstore ⊦ nodes(gstore[n, gblock], ginval) = nodes(gstore, ginval) |
n ∈ gstore ⊦ nodes(gstore[n, groupblock(gstore[n].gndlist, gstore[n].ladrlist, m)], ginval) = nodes(gstore, ginval)