Any two propositions P and Q can be disjoined, producing the new, complex, proposition:
The truth table for P or Q is as follows:
If you have Java, try it out for yourself:
Set the truth values for the propositions P and Q by clicking on the appropriate button beside "P" and "Q" respectively. What is the truth value of P or Q? Find out by clicking on the "Compute" button.
17 August 1996