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Symbolic Logic: Tautologies, Contradictions,
Logical Equivalence & Negating English Statements
2026/2027 Latest Update | Verified Questions &
Answers
Symbolic Logic_ Tautologies, Contradictions, Logical Equivalence & Negating
1 of 5English Statements 2026_2027 Latest Update _ Verified Questions
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& Answers
1
, Page 2 of 5 Symbolic Logic_ Tautologies, Contradictions, Logical Equivalence, Negating English Statements.pdf Page 2 of 5
Tautology
Is a statement which is always true
Contradictions
Is a statement that is always false
Logical Equivalence
Two propositions are logically equivalent when their truth tables are identical; the symbol
used is ≡
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