| (range ri | m).size = 0, ri[key] = @(m, m0, m1), gstore[m] ↓ = groupblock(gndx, lax, m2), inv(gstore \ ginval), key-cons(key, nodes(gstore ↓, ginval)[@(m, m0, m1)]), @(m0, m1) ∈ lax, m ∈ gstore, key ∈ ri ⊦ m ∈ ginval |
⊦ key ∈ ri ∧ ri[key] = adr → range ri = range ri ++ adr
((range ri ++ @(m, m0, m1)) | m).size = 0, ri[key] = @(m, m0, m1), gstore[m] ↓ = groupblock(gndx, lax, m2), inv(gstore \ ginval), key-cons(key, nodes(gstore ↓, ginval)[@(m, m0, m1)]), m ∈ gstore, @(m0, m1) ∈ lax, key ∈ ri ⊦ m ∈ ginval
Used terms: key, @(m, m0, m1), ri