diff --git a/logic3.tex b/logic3.tex
index 99489d9..c384d5c 100644
--- a/logic3.tex
+++ b/logic3.tex
@@ -52,6 +52,7 @@
 \input{inputs/lecture_23}
 \input{inputs/lecture_24}
 \input{inputs/lecture_25}
+\input{inputs/lecture_26}
 
 \cleardoublepage