# Conquering All Syllogism Problems (Part 3): 1 Simple Trick with Venn Diagram YouTube Lecture Handouts

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Conquering All Syllogism Problems (Part 3): 1 Simple Trick with Venn Diagram

## SYLLOGISM â€“ PART 3

CONDITIONAL VALID FORMS EXISTENTIAL FALLACY

• All Dragons throw fire.

• All Dragons can fly.

• Some flying creatures throw fire.

• â€śEveryone who solves this puzzleâ€ť is smart

• â€śEveryone who solves this puzzleâ€ť is intelligent

• Some intelligent people are smart.

## AAI

• Premise: All birds are animals.

• Premise: All birds are parrots.

• Conclusion: Some parrots are animals?

## AAI â€“ INCORRECT

Premise: All unicorns are animals.Premise: All unicorns are parrots.Conclusion: Some parrots are animals?

## AAI (GENERALIZED METHOD)

• Premise: All birds are animals.

• Premise: All birds are parrots.

• Conclusion: Some parrots are animals?

## AAI

• Premise: All birds are animals.

• Premise: All parrots are birds.

• Conclusion: Some parrots are animals?

## AAI

• Premise: All animals are birds.

• Premise: All birds are parrots.

• Conclusion: Some parrots are animals?

## AAI - INCORRECT

• Premise: All animals are birds.

• Premise: All parrots are birds.

• Conclusion: Some parrots are animals?

## AEO

• Premise: All animals are birds.

• Premise: No parrots are birds.

• Conclusion: Some parrots are NOT animals?

## AEO - INCORRECT

• Premise: All birds are animals.

• Premise: No birds are parrots.

• Conclusion: Some parrots are NOT animals?

## EAO

• Premise: No animals are birds.

• Premise: All parrots are birds.

• Conclusion: Some parrots are NOT animals?

## EAO

• Premise: No birds are animals.

• Premise: All birds are parrots.

• Conclusion: Some parrots are NOT animals?