Deductive

Using deductive reasoning, which of the following completes the statement to form a valid conclusion?
If it is snowing heavily, then school will be canceled.
If school is canceled, the big test will not be given today.
It is snowing heavily, then...

• Look out for the snowplows while driving to school.

• The big test will not be given today.

• The roads will be hard to drive on.

• You should call the school to see if school is canceled.

What conclusion can be drawn from the following statements?
If the stereo is on, then the volume is loud.  
If the volume of the stereo is loud, then the neighbors will complain.

• If the neighbors complain, then the stereo will be loud.

• If the stereo is on, then the neighbors will complain.

• If the stereo is volume is loud, then the stereo is on.

• If the stereo is on, then the volume is loud.

What conclusion can be drawn from the following statements?
If the sun is shining, then it is a beautiful day.  
If it is a beautiful day, then we will have a picnic.

• If the sun is shining, then it is a beautiful day.

• If it is a beautiful day, then the sun is shining.

• If the sun is shining, then we will go on a picnic.

• If we go on a picnic, then the sun is shining.

What conclusion can be drawn from the following statements?
If Todd goes to the movies, then Sarah will go to the movies.  
If Chris goes to the movies, then Todd will go to the movies.

• If Chris goes to the movies, then Sarah will go to the movies.

• If Todd goes to the movies, then Chris will go to the movies.

• If Sarah goes to the movies, then Chris will go to the movies.

• If Chris goes to the movies, then Todd will go to the movies.

This type of reasoning starts with a general idea and leads to specific conclusions.

• Inductive

• Deductive

• Abductive

All dolphins are mammals. All mammals have kidneys. All dolphins have kidneys.

• Inductive

• Deductive

• Abductive

Cacti are plants, and all plants perform photosynthesis. Therefore, cacti perform photosynthesis.

• Inductive

• Deductive

• Abductive

Seeing a pattern then drawing a conclusion.

• INDUCTIVE

• DEDUCTIVE

• ABDUCTIVE

Is always correct.

• INDUCTIVE

• DEEDUCTIVE

• ABDUCTIVE

There are​ (a)   types of reasoning. ​ (b)   - uses specific statements to form a general conclusion. ​ (c)   - uses broad statements to make a specific conclusion. ​ (d)   - uses an event (usually a problem) and a piece of evidence to draw a conclusion.

• three

• Inductive

• Deductive

• Abductive