| abs-nodes(buf, m, x, lax, boolvar), dups(lax), ∀ buf0, m, x, lax, boolvar. # buf0 < # buf → abs-nodes(buf0, m, x, lax, boolvar) ∧ dups(lax) → false ⊦ |
abs-nodes(buf, m, x, lax, boolvar), dups(lax), ∀ buf0, m, x, lax, boolvar. # buf0 < # buf → abs-nodes(buf0, m, x, lax, boolvar) ∧ dups(lax) → false ⊦