Logical conditional
From Wikinfo
In logical calculus of mathematics, logical conditional is a binary logical operator connecting two statements, if p then q where p is a hypothesis (or antecedent) and q is a conclusion (or consequent). The operator is denoted using an left-arrow "→".
The hypothesis is sometimes also called necessary condition for the conclusion, while the conclusion may be called sufficient condition for the hypothesis.
It is defined using the following truth table:
| p | q | p → q |
|---|---|---|
| T | T | T |
| T | F | F |
| F | T | T |
| F | F | T |
In the case that the hypothesis is true, the result is the same as conclusion. Otherwise, the whole statement is true regardless the value of conclusion.
References
- Adapted from the Wikipedia article, "Logical_conditional" http://en.wikipedia.org/wiki/Logical_conditional, used under the GNU Free Documentation License
