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Q. _____________ is the process of obtaining a proposition from a propositional function by substituting a constant for the variable.

Q. …………………………… can be defined as an array of symbols containing statement variables but no statements, such that when statements are substituted for statement variables- the same statement being substituted for the same statement variable throughout – the result is an argument

Q. The relation between the general propositions (x) Mx and (∃x ) Mx is ……………

Q. Universal quantifier is symbolized as …………

Q. ………………………….. Symbol is used for conjunction

Q. ‘If Raju attend the class, then Damu will not attend the class’ can be symbolized as -----

Q. In implication, if p is false and q is false, p כ q is -------

Q. When two statements are combined by using the phrase “if and only if”, the resulting compound statement is called …………………………………………..

Q. Conjunctions are truth functionally ____________ statements.

Q. Name the rule of inference p v q ) ≡ q v p )