Boolean Expressions

The logical operators let you test more than one expression.

A double ampersand, && means AND. A double pipe or bar || means OR. The pipe is typed using shift + backspace.

Truth table

a	b	a||b	a&&b
0	0	0	0
0	1	1	0
1	0	1	0
1	1	1	1
CODE

In a truth table, false is often shown as zero, true is shown as 1.

a	b	a||b	a&&b
0	0	0	0
0	1	1	0
1	0	1	0
1	1	1	1
CODE

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