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Question 2 (i) - Negation - Checking if true or not - Mathematical Reasoning
Last updated at Dec. 16, 2024 by Teachoo
Negation - Checking if true or not
Mathematical Reasoning
Concept wise
- Statements
- Writing negation of statements
-
Negation - Checking if true or not
- Finding Compound Statement
- Words 'And' & 'Or'
- Inclusive and exclusive or
- Quantifiers
- Contrapositive and converse
- If then
- If and only if
- Proving not true/false (by giving counter examples)
- Proving True - If and only if
- Proving True - By Contrapositive
- Proving True - By Contradiction
- Necessary and sufficient condition
Transcript
Ex14.2, 2 Are the following pairs of statements negations of each other? (i) The number x is not a rational number. The number x is an irrational number. The negation of the given statement is The number x is a rational number. Which is same as The number x is not irrational number. Hence the given pairs are negation of each other.
