It's funny how some things are things. No wait. D'uh! Math! Help! Gauss-Jordan! Square & multiply! Euklid! Extended Euklid-Algorithm! Inductive Proof! Colorful transposed invertible matrices are dancing and singing in my head! Kernel! Injective! Vector-Space! Subspace! Transitive Relations!
OUT, DEMONS, OUT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
