diff --git a/assets/notes/algebra/algebra_2023.11.14.md b/assets/notes/algebra/algebra_2023.11.14.md
index 2decf821..1cd4c710 100644
--- a/assets/notes/algebra/algebra_2023.11.14.md
+++ b/assets/notes/algebra/algebra_2023.11.14.md
@@ -99,3 +99,10 @@ b_{n_1} & b_{n_2} & ... & b_{n_n} \\
 \end{Bmatrix}
 $$
 ```
+
+```{admonition} Twierdzenie o N-Bazach
+załóżmy że $B~B'~i~B''$ to bazy przestrzenii V.
+
+- $P_{B' \to B} = (P_{B \to B'})^{-1}
+- $P_{B \to B''} = P_{B \to B'} * P_{B' \to B''}$
+```