Question

 Discrete Structures

Section 1.2

Exercise

Q9 and Q11. Show that each of the following conditional statements is a tautology using truth tables and without using truth tables.

 

а) (рла) — р
с) -р — (р—9)
e) - (р — 9) —р
b) р — (рVq)
d) (рла) — (р— 9)
f) - (р — 9) —

Image Transcription

а) (рла) — р с) -р — (р—9) e) - (р — 9) —р b) р — (рVq) d) (рла) — (р— 9) f) - (р — 9) —

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