Dr. Dona Warren, Department of PhilosophyThe University of Wisconsin-Stevens Point

Argument StructureV) Lesson 3b: Inference Erasers: “but”

(with Dependent Reasons)

V) Lesson 3b – Slide 1

At the end of this lesson, you will be able toUse the “but” family of inference erasers to communicate and analyze arguments with dependent reasons

Dr. Dona Warren, Department of PhilosophyThe University of Wisconsin-Stevens Point

Argument StructureV) Lesson 3b: Inference Erasers: “but”

(with Dependent Reasons)

V) Lesson 3b – Slide 1

+Good pets are quiet.

Dogs don’t make good pets.

Dogs often bark.

Dogs aren’t quiet.

V) Lesson 3b – Slide 2

+Good pets are quiet.

Dogs don’t make good pets.

Dogs often bark.

Dogs aren’t quiet.

Some Contrast or Tension

V) Lesson 3b – Slide 2

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

Inference Eraser Expressions

+

Dogs often bark.

Some Contrast or Tension

V) Lesson 3b – Slide 2

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

+

Dogs often bark.

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

+

Dogs often bark.

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

+

Dogs often bark.

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

+

Dogs often bark.

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

+

Dogs often bark.

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

+

Dogs often bark.

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

+

Dogs often bark.

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

+

Dogs often bark.

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

Dogs often bark.

+

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

“Dogs don’t make good pets. After all, good pets are quiet but dogs aren’t quiet since they often bark.”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

Dogs often bark.

+

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

“Dogs don’t make good pets. After all, good pets are quiet but dogs aren’t quiet since they often bark.”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

Dogs often bark.

+

Dogs don’t make good pets.

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

“Dogs don’t make good pets. After all, good pets are quiet but dogs aren’t quiet since they often bark.”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

Dogs often bark.

+

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

“Dogs don’t make good pets. After all, good pets are quiet but dogs aren’t quiet since they often bark.”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

Dogs often bark.

+

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

“Dogs don’t make good pets. After all, good pets are quiet but dogs aren’t quiet since they often bark.”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

Dogs often bark.

+

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

“Dogs don’t make good pets. After all, good pets are quiet but dogs aren’t quiet since they often bark.”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

Dogs often bark.

+

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

“Dogs don’t make good pets. After all, good pets are quiet but dogs aren’t quiet since they often bark.”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

Dogs often bark.

+

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

“Dogs don’t make good pets. After all, good pets are quiet but dogs aren’t quiet since they often bark.”

Good pets are quiet.

Dogs don’t make good pets.

Dogs aren’t quiet.

Inference Eraser Expressions

“Dogs often bark so they aren’t quiet, but good pets are quiet. Thus, dogs don’t make good pets.”

“Dogs don’t make good pets. After all, good pets are quiet but dogs aren’t quiet since they often bark.”

Dogs often bark.

+

V) Lesson 3b – Slide 2

‘But’ Family: “but,” “yet,” “however,” “although,” “even though,” “nevertheless”

“Cats don’t make good pets since they aren’t affectionate. After all, affectionate animals wag their tails when they’re happy, but cats don’t wag their tales when they’re happy.”

V) Lesson 3b – Slide 3

“Cats don’t make good pets since they aren’t affectionate. After all, affectionate animals wag their tails when they’re happy, but cats don’t wag their tales when they’re happy.”

Cats don’t make good pets.

Ultimate Conclusion

V) Lesson 3b – Slide 3

“Cats don’t make good pets since they aren’t affectionate. After all, affectionate animals wag their tails when they’re happy, but cats don’t wag their tales when they’re happy.”

Cats don’t make good pets.

Ultimate Conclusion

V) Lesson 3b – Slide 3

“Cats don’t make good pets since they aren’t affectionate. After all, affectionate animals wag their tails when they’re happy, but cats don’t wag their tales when they’re happy.”

Cats don’t make good pets.

Ultimate Conclusion

Cats aren’t affectionate.

V) Lesson 3b – Slide 3

“Cats don’t make good pets since they aren’t affectionate. After all, affectionate animals wag their tails when they’re happy, but cats don’t wag their tales when they’re happy.”

Cats don’t make good pets.

Ultimate Conclusion

Cats aren’t affectionate.

V) Lesson 3b – Slide 3

“Cats don’t make good pets since they aren’t affectionate. After all, affectionate animals wag their tails when they’re happy, but cats don’t wag their tales when they’re happy.”

Cats don’t make good pets.

Ultimate Conclusion

Cats aren’t affectionate.

Affectionate animals wag their tails when they’re happy.

V) Lesson 3b – Slide 3

“Cats don’t make good pets since they aren’t affectionate. After all, affectionate animals wag their tails when they’re happy, but cats don’t wag their tales when they’re happy.”

Cats don’t make good pets.

Ultimate Conclusion

Cats aren’t affectionate.

Affectionate animals wag their tails when they’re happy. +

V) Lesson 3b – Slide 3

“Cats don’t make good pets since they aren’t affectionate. After all, affectionate animals wag their tails when they’re happy, but cats don’t wag their tales when they’re happy.”

Cats don’t make good pets.

Ultimate Conclusion

Cats aren’t affectionate.

Affectionate animals wag their tails when they’re happy. +

Cats don’t wag their tales when they’re happy.

V) Lesson 3b – Slide 3

“Cats don’t make good pets since they aren’t affectionate. After all, affectionate animals wag their tails when they’re happy, but cats don’t wag their tales when they’re happy.”

Cats don’t make good pets.

Cats aren’t affectionate.

Affectionate animals wag their tails when they’re happy. +

Cats don’t wag their tales when they’re happy.

V) Lesson 3b – Slide 3