Applied Linguistics

What is deductive method of teaching/origin/importance

Deductive method

It is known as deductive method or deductive reasoning to a type of logical reasoning that is characterized by drawing particular valid conclusions from a general premise or hypothesis. What is deductive method of teaching?

This type of thinking operates when the conclusions are somehow “within” the premises. In addition, the reasoning must adequately formulate the procedure to infer them.

This means that the deductive method if it is carried out in a valid and correct way, and if the premises are in turn valid and true, will always yield valid and correct results. To guarantee this, deductive reasoning is governed by the rules of inference or transformation rules.

It is one of the most used modes of reasoning in mathematics.

Origin of the deductive method

Deductive reasoning is attributed to Aristotle, the ancient Greek philosopher, who expressed it in its perfect logical form: the syllogism.

Later, this method was the protagonist of the reasoning of philosophers of the stature of Descartes, Spinoza, and Leibnitz.

It also served as the foundation for the composition of the scientific method, without which the contemporary notion of science would not exist.

Types

This method can be classified into:

  • Direct and immediate conclusion. Cases in which the conclusion is obtained from a single necessary premise.
  • Indirect and mediate conclusion. Cases in which the conclusion is obtained from two or more premises: a major one that contains a universal proposition, and a minor one that includes the particular proposition. In this case, the conclusion is the result of the contrast between the two.

Why is the deductive method important?

Deductive reasoning is one of the most commonly used in our daily lives. It is fundamental for the formulation of certain types of logic, such as symbolic or propositional logic.

In these types of logic lie the foundations of formal systems like the one that gave rise to computing. This is because mathematics uses deductive reasoning very often because its rules are fixed and immutable. What is deductive method of teaching?

Deduction What is deductive method of teaching?

A deduction is understood to be the obtaining of valid, verifiable, communicable conclusions, based on one or more general premises. For example, to deduce q from a premise that states that p then q, we will have:

p then q           (general premise)

if p,                  (particular premise)

then q               (particular conclusion)

Differences with the inductive method

The fundamental difference between both methods is based on the logical path that they propose:

  • The deductive method starts from general premises towards a particular conclusion. The conclusions are contained in the premises.
  • The inductive method does the opposite, that is, it starts from particular premises to try to extrapolate a law or a general conclusion. The conclusions are obtained from a formulation of laws from a generalization.

The empirical-analytical method What is deductive method of teaching?

This is the name given to a model of scientific research based on empirical logic and experimentation. It also includes the observation and controlled replication of natural phenomena, in favor of their statistical analysis. What is deductive method of teaching?

The hypothetico-deductive method

The model of reasoning that supports the scientific method is known by this name. It is the research path that allows a degree of certainty and reliability in scientific knowledge.

This consists of several essential steps:

  • Observation of nature to study.
  • Creation of a hypothesis that explains its phenomena.
  • Deduction of elementary propositions or consequences of the hypothesis itself.
  • Experimental verification of the validity of the conclusions.

Abductive reasoning What is deductive method of teaching?

Abductive reasoning is one that from the description of a specific fact that is known, a hypothesis is reached or reached, that is, a probable explanation of the fact in the face of the premises that are or are known. According to some authors, this is the same as inference. What is deductive method of teaching?

Examples 

Some easy examples of deductive reasoning are:

TO.

The birds fly.

The sparrow is a bird.

The sparrow flies.

B.

All men are mortal.

Michelangelo was a man.

Michelangelo was mortal.

C.

Whenever it rains there are clouds in the sky.

Right now it’s raining.

Right now there are clouds in the sky.

What is deductive method of teaching?

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