sts p \\in \\mathbb{P}; x,y \\in \\mathbb{N} \\mid p = x^2 + y^2 \\iff p-1\\pmod{4}=0\\\\
  \\exists p \\in \\mathbb{P}; x,y \\in \\mathbb{N} \\mid p = x^2 + y^2 \\iff (p-1)\\mod 4 =0\\\\
  \\exists p \\in \\mathbb{P}; x,y \\in \\mathbb{N} \\mid p = x^2 + y^2 \\iff (p-1)\\bmod 4 =0
\\end{aligned}`,
          },

          {
            title: 'Cube root',
            latex: 'g(x)=\\sqrt[3]{29}',
          },
          {
            title: 'Cube root with <kbd>\\Huge</kbd> index',
            comment:
      