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Disjunction
A disjunction is true if either of its parameters
(called disjuncts) are true. Disjunction does not correspond to “or” in English (see exclusive or.) Disjunction uses the symbol 
or sometimes 
when taken in algebraic
context. Hence, disjunction of 
and 
would be written
 |
 |
 |
| F | F | F |
| F | T | T |
| T | F | T |
| T | T | T |