| # zbrar1 = BRANCH_SIZE, # zbrar0 = BRANCH_SIZE, n + m0 < BRANCH_SIZE, n0 < BRANCH_SIZE, n0 < BRANCH_SIZE → save(zbrar0, n, m0)[n + m0, save(zbrar0[n + m0])][n0] = save(zbrar1, n, m0)[n + m0, save(zbrar1[n + m0])][n0] ⊦ save(zbrar1, n, m0)[n0] = save(zbrar0, n, m0)[n0] |
# zbrar0 = BRANCH_SIZE, # zbrar1 = BRANCH_SIZE, save(zbrar0, n, m0)[n + m0, save(zbrar0[n + m0])][n0] = save(zbrar1, n, m0)[n + m0, save(zbrar1[n + m0])][n0], n0 < BRANCH_SIZE, n + m0 < BRANCH_SIZE ⊦ save(zbrar1, n, m0)[n0] = save(zbrar0, n, m0)[n0]