Top 250+ Solved Symbolic Logic MCQ Questions Answer
Q. ‘Logic is the study of correct reasoning’ is an example for ---- function oflanguage
a. informative
b. expressive
c. directive
d. none of these
Q. By using ________, the logical form of an argument becomes explicit.
a. truth tables
b. truth values
c. symbols
d. none of these
Q. The use of language for expressing one’s feelings and emotions and thoughtsare called ----
a. informative
b. expressive
c. directive
d. none of these
Q. ‘That is really great’ is an example of ------ use of language
a. informative
b. expressive
c. directive
d. none of these
Q. The use of language that seeks for guide or to command is --- function oflanguage
a. expressive
b. informative
c. directive
d. none of these
Q. ’ The conjunction of p with the disjunction of q with r’, is symbolized as …….
a. ( p vq ) . r
b. ( p . q ) v r
c. p . ( q v r )
d. p v ( q . r )
Q. ‘The disjunction whose first disjunct is the conjunction of p and q and whosesecond disjunct is r ‘ is symbolized as ………………………..
a. p v ( q . r )
b. ( p vq ) . r
c. p . ( q v r )
d. ( p . q ) v r
Q. ‘ A and B will not both be selected ’ is symbolized as ………………………..
a. ( A . B )
b. A v B
c. A V B
d. A . B
Q. An argument can be proved invalid by constructing another argument of thesame form with …………………….
a. false premises and false conclusion
b. true premises and false conclusion
c. true premises and true conclusion
d. false premises and true conclusion
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 samestatement variable throughout – the result is an argument
a. specific statement form
b. A statement form
c. An argument form
d. An argument
Q. Any argument that results from the substitution of statements for statementvariables in an argument form is called ………………………………
a. invalid argument
b. valid argument
c. the specific form
d. a “ substitution instance” of that argument form
Q. In case an argument is produced by substituting a different simple statement foreach different statement variable in an argument form, that argument form is called ……………………
a. the “specific form” of that argument
b. a “ substitution instance” of that argument form
c. valid argument
d. invalid argument
Q. If the specific form of a given argument has any substitution instance whosepremises are true and whose conclusion is false, then the given argument is.
a. valid
b. invalid
c. valid or invalid
d. sound