This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
FreeObject. math en LaTex source begin tikzpicture matrix matrix of math nodes row sep em column sep em text height ex text depth ex path edge nodeabove path edge nodeleft path edge noderight tilde end tikzpicture own Vincent Semeria Commutative triangles
Page 2023 Free-images.com. All images are Public Domain