A disjunction is a compound statement formed by combining two statements using the word or.
Consider the following statements.
q: A trapezoid has two pairs of opposite sides parallel.
r : The length of the diameter of a circle is half the length of its radius.
Two statements can be joined using the word or.
or A trapezoid has two pairs of opposite sides parallel.
The symbol is used to denote or.
A disjunction is true if any one of the statements in it is true. Here the statement p is true and q is false. So, the disjunction is true.
The statement q is false and r false.
So, the disjunction is false.