alleryDeductive arguments that do not follow a valid rule of inference are called what?
AFormal fallacies
BSound proofs
CStrong inductions
DPlain lemmas
Answer & Solution
Correct answer: A. Formal fallacies
1. Rules of inference define valid deduction.
2. Arguments that break them are formal fallacies.
3. Their premises do not ensure the conclusion.
_Source: Wikipedia, Deductive reasoning, Rules of inference_
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?