New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here


by: Kaitlyn Herbst

7.5 Philos 1500

Kaitlyn Herbst
GPA 4.0
Introduction to Logic
Peter Celello

Almost Ready


These notes were just uploaded, and will be ready to view shortly.

Purchase these notes here, or revisit this page.

Either way, we'll remind you when they're ready :)

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

Introduction to Logic
Peter Celello
Class Notes
25 ?




Popular in Introduction to Logic

Popular in Department

This 2 page Class Notes was uploaded by Kaitlyn Herbst on Monday March 9, 2015. The Class Notes belongs to Philos 1500 at Ohio State University taught by Peter Celello in Spring2015. Since its upload, it has received 93 views.


Reviews for 7.5


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 03/09/15
Chap 75 Logically Signi cant Categories and Relationships 1500 Intro to Logic Vocab Tautology statement that is true on every assignment of truth values to its atomic components Contradiction statement that is false on every assignment of truth values to its atomic components Contingent statement that is true on some assignments of truth values to its atomic components and false on others Logically equivalent two statements that agree in truth value on every assignment of truth values to their atomic components Logically contradictory two statements that disagree in truth value on every assignment of truth values to their atomic components Logically consistent two or more statements that are all true on some assignment of truth values to their atomic components Logically inconsistent two or more statements that are never all true on any assignment of truth values to their atomic components Truth tables can be used to sort statements into Logically signi cant categories 0 Tautologies o Contradictions o Contingent statements Logically signi cant relationships 0 Equivalence o Contradictoriness 0 Consistency o Inconsistency Tautology Contradiction and Contingency How appear on a truth table Tautology true on every row Contradiction false on every row Contingency true on some rows false on others Equivalence Contradictoriness Consistency and Inconsistency How appear on a truth table Equivalence two statements have the same truth value on each row Contradictoriness two statements have a different truth value on each row Consistency two or more statements have the same truth value on at least one FOW Inconsistency two or more statements where there is no row where they are bothall true Relationships Every argument whose conclusion is a tautology is valid Any argument that includes a contradiction among its premises is valid Any argument with logically inconsistent premises is valid and unsound Any argument that has a tautology as its premise and a contingent statement as its conclusion is invalid If premises of an argument when made into a conjunction form a contingent statement and the conclusion is a contradiction the argument is invalid If a biconditional statement is a tautology then its two constituent statements are logically equivalent


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

Allison Fischer University of Alabama

"I signed up to be an Elite Notetaker with 2 of my sorority sisters this semester. We just posted our notes weekly and were each making over $600 per month. I LOVE StudySoup!"

Steve Martinelli UC Los Angeles

"There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Parker Thompson 500 Startups

"It's a great way for students to improve their educational experience and it seemed like a product that everybody wants, so all the people participating are winning."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.