Keywords: First isomorphism theorem (plain).svg LaTeX source <pre> \documentclass amsart \usepackage amsmath amssymb nopageno \usepackageall xy \DeclareMathOperator \Ker ker \begin document \begin equation \xymatrix C+1em R+1em G \arr - f \ard_- \pi H \\ G/\Ker f \ar --> ur_- \tilde f \end equation \end document </pre> The commutative diagram expressing the first isomorphism theorem It does not indicate which arrows are injective or surjective I created this work entirely by myself 2009-01-14 Ryan Reich <span class signature-talk >talk</span> w File First isomorphism theorem plain svg File First isomorphism theorem png Commutative triangles Abstract algebra Images with LaTeX source code |