⊦ ⌜m⌝ = n∞1, ⌜m⌝ < n∞1, n∞1 < ⌜m⌝
Used simplifier rules: less-inf1: ⊦ ¬ ∞ < n∞;%inf-less: ⊦ n∞ < ∞ ↔ n∞ ≠ ∞;%natinf freely generated by ∞, ⌜ ⌝;;