Exercise · ZW-PROPOSITION-009 · ★★☆ Intermediate
A proposition cannot simultaneously have...
Choose one option.
Show answer
- D. A true and a false value
Explanation
By definition, each proposition has exactly one truth value, true or false, never both. Negations, variables or symbolic forms can appear in a proposition.
Review the concept: Proposition
A proposition is a declarative statement that is assigned one of the truth values \(\top\) or \(\bot\).
\[P\in\{\top,\bot\}\]
More practice problems: proposition
- ZW-PROPOSITION-001 A logical proposition can have as truth value...
- ZW-PROPOSITION-002 Propositional logic takes as its basic unit...
- ZW-PROPOSITION-003 Which statement best describes a proposition?
- ZW-PROPOSITION-004 What does propositional logic not decide by itself?
- ZW-PROPOSITION-005 Let P be a proposition. Which of the following statements about P is impossible?
- ZW-PROPOSITION-006 Which statement is a proposition?
- ZW-PROPOSITION-007 The truth value of a classical proposition is...
- ZW-PROPOSITION-008 Which of these expressions is not a proposition by itself?