\BOOKMARK [2][]{Outline0.1}{Statements}{}% 1
\BOOKMARK [2][]{Outline0.2}{Logical operations}{}% 2
\BOOKMARK [3][]{Outline0.2.1.22}{Boolean algebra}{Outline0.2}% 3
\BOOKMARK [3][]{Outline0.2.2.25}{Truth tables}{Outline0.2}% 4
\BOOKMARK [2][]{Outline0.3}{Implication}{}% 5
\BOOKMARK [2][]{Outline0.4}{Quantifiers}{}% 6
\BOOKMARK [2][]{Outline0.5}{Proofs}{}% 7
\BOOKMARK [3][]{Outline0.5.1.50}{Direct proofs}{Outline0.5}% 8
\BOOKMARK [3][]{Outline0.5.2.55}{Proofs by contradiction}{Outline0.5}% 9
\BOOKMARK [3][]{Outline0.5.3.64}{Proofs by induction}{Outline0.5}% 10