latexsym, amsfonts, graphicx, amsthm =1.1=1.1 ⟹ NZQRCCmod ^{}. Δ→⟶ˇ ∅˘ ∪ [1]⌊1⌋[2]\binom{1}{2}^{∘} [1]1_{1}, 1_{2}, …, 1_{n}[1]1_{1}, 1_{2}, …[2]1_{1}, 1_{2}, …, 1_{2} eqnarray*