DEDUCTIVE

REASONING

It begins with a known fact and
creates a specific conclusion
from that generalization. The
basic idea is that

if something

is true of a class of things in
general, this truth applies
to all members of that class.

What is deductive
reasoning?

1. All men are mortal.
2. Aristotle is a man.
3. Therefore, Aristotle is
mortal.

One of the deductive
techniques is the one
mentioned above. It’s got a
simple construction:

IF-THEN

STATEMENT

 there’s no force of gravity;

 the social, economic and

political relations have
changed radically (e.g.
children decide about adults’
matters or politicians know
exactly the consequences of
all of their decisions, buying
and selling clothes is illegal);

 the men can get pregnant.

We can say that:

TASK 1: Let's ignore the
physics and imagine that,
one day,

the planet's gravity

turned of

, and suddenly

there was no force of
gravity on planet Earth.

TASK 2: Writing scenarios.
It’s practically one of the
variants of IF-THEN
exercise. This time we’ll
focus at

writing alternative

endings

. Let’s think: What if

the glass slipper didn’t fit
Cinderlla’s foot?

TASK 3: Life is riding a
tiger, because…