An argument that is valid and has all true premises is called what?
AProbable
BFallacious
CSound
DCircular
Answer & Solution
Correct answer: C. Sound
1. Validity alone does not guarantee a true conclusion.
2. Add true premises and the argument is sound.
3. A fallacious argument is not valid in form.
_Source: Wikipedia, Deductive reasoning, Validity and soundness_
Keep practising Mathematics
Browse all Mathematics questions for CTET, or explore more Mathematics Pedagogy topics.
Related questions
Which logical rule makes the move from "if P then Q" and "P" to "Q"?Where and when did maths teaching begin, by evidence?What is the fear or apprehension some students feel about their maths performance called?Which philosopher wrote in 1963 that induction is "a myth"?Roughly what is the chance of ten heads in ten tosses of a fair coin?Mathematical induction, despite its name, is a form of which reasoning?Which Scottish philosopher gave the classic critique of the problem of induction?Who first put forth eliminative induction, based on the variety of instances?