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Which one of the following statements is correct with reference to a deductive argument?

Which one of the following statements is correct with reference to a deductive argument? Correct Answer The relation between premises and conclusion is one of logical necessity

Logic is a branch of Philosophy which analyzes and evaluates arguments. An argument is a group of sentences where one sentence is claimed to follow from others, which are regarded as supplying conclusive pieces of evidence for its truth. Every argument has a structure, viz. premises and conclusion. Arguments are divided into inductive and deductive.

Types of Arguments:

Deductive Argument

Inductive Argument

It aims for logical necessity. A formal logical relation between the premises and the conclusion such that if the premises are true, the conclusion must be true.

It aims at proving a conclusion as a matter of probability or likelihood, not with logical necessity. Arguments that involve predictions are inductive, as the future is uncertain.

Based on the premises, the conclusion follows necessarily (with certainty).

The conclusion is supposed to follow with probability.

For example, given premises that ‘All A is B’ and ‘All B is C’, then the conclusion follows necessarily that ‘All A is C’.

For example, given premises ‘Most dogs are friendly’ and ‘Scooby is a dog’, then ‘Scooby is friendly’.

A deductive argument is said to be valid or invalid.

  • A valid argument is one in which the truth of the premises guarantees the truth of the conclusion.
  • An invalid argument is one in which the truth of the premises does not guarantee the truth of the conclusion.

In the Inductive Argument,

  • The claim of valid and invalid do not apply.
  • An inductive argument is said to be strong or weak.
  • In good inductive arguments, if the premises were true, it is more probable that the conclusion is true. Otherwise, it is weak.


Hence, it is clear that in deductive arguments, the relation between premises and conclusion is one of logical necessity.

Related Questions

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