Terms of Service

Effective Date: January 26, 2026
Last Updated: January 26, 2026

Welcome to logicalfallacies.org (the "Site"), operated by Logical Fallacies ("we," "us," or "our"). These Terms of Service ("Terms") govern your access to and use of the Site, including all content, features, educational tools, and any purchases made through our store.

By accessing or using the Site, you agree to be bound by these Terms. If you do not agree to these Terms, you must not use the Site.

1. Eligibility and Accounts

General Eligibility

The Site is available to users of all ages. Certain features, including account registration, educational tools, and store purchases, may have additional age-related requirements as described below.

Age Requirements

• Users aged 13 and older may register for an account and access all Site features.
• Users under 13 may access publicly available educational content (fallacy and bias reference pages) without registration. Account registration and use of interactive tools by users under 13 requires verifiable parental consent in accordance with COPPA. See our Privacy Policy for details.
• Store purchases may only be made by individuals who are 18 years of age or older, or by minors with the involvement and consent of a parent or legal guardian.

Account Registration

When you register for an account, you agree to:

• Provide accurate and complete information, including a truthful age confirmation.
• Choose a role designation (student or educator) that accurately reflects your use.
• Keep your login credentials confidential and not share your account with others.
• Notify us promptly if you become aware of any unauthorized use of your account.

You are responsible for all activity that occurs under your account. We reserve the right to suspend or terminate accounts that violate these Terms.

Educator Accounts

Educators who register for an account may access tools and resources designed for classroom use, including lesson plans, classroom materials, and educator-specific features. Educators are responsible for ensuring their use of the Site and its tools complies with any applicable institutional policies and laws, including those governing student data in educational settings (e.g., FERPA).

Student Accounts

Students who register for an account may access tools and resources designed for learning, including quizzes, interactive exercises, and study tools. Students under 13 are subject to the additional protections described in our Privacy Policy.

2. Use of the Site

Permitted Uses

You may use the Site for lawful, personal, and educational purposes, including:

• Reading and learning from our reference content on logical fallacies and cognitive biases.
• Using interactive educational tools (quizzes, exercises, etc.) for personal study or classroom instruction.
• Purchasing products from our store for personal or educational use.
• Sharing links to our content, provided you do not reproduce the content itself in a manner that violates Section 5 (Intellectual Property).

Prohibited Uses

You agree NOT to:

• Use the Site for any unlawful purpose or in violation of any applicable laws.
• Attempt to gain unauthorized access to any part of the Site, other users' accounts, or our systems.
• Use automated tools (bots, scrapers, crawlers) to access, collect, or copy content from the Site without our prior written consent.
• Reproduce, distribute, or republish Site content in bulk or for commercial purposes without our permission (see Section 5).
• Upload or transmit any malicious code, viruses, or harmful content.
• Impersonate another person or misrepresent your affiliation with any person or entity.
• Interfere with or disrupt the operation of the Site or the servers and networks connected to it.
• Use the Site in any manner that could damage, disable, overburden, or impair it.
• Harvest or collect personal information about other users.

We reserve the right to suspend or terminate access for any user who violates these Terms.

3. Educational Tools and Interactive Features

The Site offers interactive educational tools for both students and educators, including but not limited to quizzes, argument analysis exercises, flashcard-style review tools, and other learning aids.

Tool Availability

• Some tools are available to all visitors without registration.
• Some tools require a registered account and may vary based on your selected role (student or educator).
• We reserve the right to modify, discontinue, or restrict access to any tools at any time without prior notice.

Accuracy and Educational Purpose

Our content and tools are provided for general educational purposes. While we strive for accuracy:

• The content on this Site is not a substitute for formal academic instruction, professional advice, or expert judgment.
• We make no guarantees that our content is comprehensive, error-free, or suitable for any particular academic or professional purpose.
• Users (and educators using these tools in a classroom setting) should exercise their own judgment and verify information as appropriate.

User-Generated Data

Any data you create through use of our tools (quiz responses, saved progress, etc.) is associated with your account and subject to our Privacy Policy. We do not share individual user performance data publicly. We may use aggregated, anonymized usage data to improve our tools and content.

4. Store and Purchases

We offer physical and digital products for sale through our store, including but not limited to posters, flashcards, reference guides, mugs, and other educational merchandise.

Pricing and Availability

• All prices are listed in U.S. Dollars unless otherwise indicated.
• We reserve the right to change prices, modify product offerings, and discontinue products at any time.
• Product availability is not guaranteed. In the event an item is out of stock or unavailable, we will notify you and offer a refund or alternative.

Orders and Payment

• By placing an order, you represent that you are authorized to use the payment method provided and that the billing information you provide is accurate.
• Payment is processed by a third-party payment processor. We do not store your credit card information. See our Privacy Policy for details.
• An order confirmation email does not constitute acceptance of your order. We reserve the right to cancel orders due to pricing errors, suspected fraud, or product unavailability.

Shipping and Fulfillment

• Physical products may be fulfilled by a third-party print-on-demand or fulfillment partner (e.g., Printful).
• Shipping times and costs vary by location and product. Estimated delivery times are provided at checkout but are not guaranteed.
• Risk of loss and title for physical products pass to you upon delivery to the carrier.
• We are not responsible for delays caused by the carrier, customs processing, or circumstances beyond our control.

Returns and Refunds

• Digital products are non-refundable once delivered or downloaded.
• Physical products may be returned or exchanged if they arrive damaged, defective, or materially different from the product description. Contact us at support@logicalfallacies.org within 14 days of delivery.
• Custom or personalized items are non-refundable unless defective.
• Refunds will be issued to the original payment method within a reasonable timeframe after we receive and inspect the returned item (if applicable).

5. Intellectual Property

Site Content

All content on the Site — including but not limited to text, definitions, explanations, examples, graphics, logos, page layouts, and educational tool designs — is the property of Logical Fallacies or its content creators and is protected by copyright and other intellectual property laws.

Permitted Use

• You may quote or reference small portions of our content for personal, educational, or noncommercial purposes, provided you include clear attribution to logicalfallacies.org and a link to the original page.
• Educators may use and print reasonable portions of our content for classroom instruction, provided such use is noncommercial and includes attribution.

Prohibited Use

• You may NOT reproduce, republish, or redistribute substantial portions of Site content without our prior written permission.
• You may NOT use Site content to create competing products, services, or websites.
• You may NOT remove or alter any copyright notices, trademarks, or attribution from Site content.

User Content

If you submit content to the Site (e.g., through feedback forms or future community features), you grant us a non-exclusive, royalty-free, worldwide license to use, display, and incorporate that content into the Site. You represent that you have the right to grant this license and that your content does not infringe on the rights of any third party.

Trademarks

The name "Logical Fallacies," the logicalfallacies.org domain, and any associated logos or branding are our trademarks or service marks. You may not use them without our prior written permission.

6. Third-Party Links and Services

The Site may contain links to third-party websites, services, or resources. These links are provided for convenience and reference only.

• We do not endorse, control, or assume responsibility for the content, privacy practices, or terms of any third-party sites.
• Your interactions with third-party sites are governed by those sites' own terms and policies.
• If you make a purchase through an external storefront linked from the Site (e.g., Etsy, Big Cartel), the terms of that platform also apply.

7. Disclaimers

THE SITE AND ALL CONTENT, TOOLS, AND PRODUCTS ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

We do not warrant that:

• The Site will be uninterrupted, secure, or error-free.
• The content is accurate, complete, current, or free of errors.
• Any defects will be corrected.
• The Site or its servers are free of viruses or other harmful components.

8. Limitation of Liability

TO THE FULLEST EXTENT PERMITTED BY LAW, LOGICAL FALLACIES AND ITS OWNERS, OPERATORS, EMPLOYEES, AND AFFILIATES SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES ARISING OUT OF OR RELATED TO YOUR USE OF THE SITE, ITS CONTENT, TOOLS, OR PRODUCTS, WHETHER BASED ON WARRANTY, CONTRACT, TORT, OR ANY OTHER LEGAL THEORY, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

OUR TOTAL AGGREGATE LIABILITY FOR ALL CLAIMS ARISING OUT OF OR RELATED TO THESE TERMS OR YOUR USE OF THE SITE SHALL NOT EXCEED THE GREATER OF (A) THE AMOUNT YOU PAID TO US IN THE 12 MONTHS PRECEDING THE CLAIM, OR (B) $100.

Some jurisdictions do not allow the exclusion or limitation of certain damages. In such jurisdictions, our liability is limited to the fullest extent permitted by law.

9. Indemnification

You agree to indemnify, defend, and hold harmless Logical Fallacies and its owners, operators, employees, and affiliates from and against any claims, liabilities, damages, losses, costs, and expenses (including reasonable attorneys' fees) arising out of or related to:

• Your use of the Site or violation of these Terms.
• Your violation of any applicable law or regulation.
• Any content you submit or transmit through the Site.
• Your infringement of any third-party rights.

10. Email Communications and Newsletters

Opt-In Consent

We send promotional emails (newsletters, product announcements, educational updates) only to users who have explicitly opted in. You may subscribe during registration or through a separate signup form on the Site.

Transactional Emails

If you register for an account or make a purchase, you will receive transactional emails (account confirmation, password resets, order confirmations, shipping notifications). These are not marketing communications and are necessary for the operation of your account or order.

Unsubscribe

You may unsubscribe from promotional emails at any time by clicking the "unsubscribe" link included in every promotional email, or by contacting us at support@logicalfallacies.org. Unsubscribing from promotional emails will not affect transactional emails related to your account or orders.

CAN-SPAM Compliance

We comply with the CAN-SPAM Act. All promotional emails will identify us as the sender, include our physical mailing address, and provide a clear unsubscribe mechanism.

11. Governing Law and Dispute Resolution

These Terms are governed by and construed in accordance with the laws of the State of California, United States, without regard to its conflict of law provisions.

Any dispute arising out of or related to these Terms or your use of the Site shall be resolved as follows:

• Informal Resolution: You agree to first contact us at support@logicalfallacies.org and attempt to resolve the dispute informally for at least 30 days before initiating any formal proceeding.
• Jurisdiction: If informal resolution is unsuccessful, you agree that any legal action shall be brought exclusively in the state or federal courts located in Los Angeles, California, and you consent to the personal jurisdiction of those courts.

12. Modifications to These Terms

We reserve the right to modify these Terms at any time. When we make material changes:

• We will update the "Last Updated" date at the top of this page.
• We will post a notice on the Site.
• For registered users, we will provide notice via email for significant changes.

Your continued use of the Site after changes are posted constitutes acceptance of the updated Terms. If you do not agree to the modified Terms, you must stop using the Site.

13. Termination

We may suspend or terminate your access to the Site or your account at our sole discretion, without prior notice, for conduct that we determine violates these Terms or is harmful to the Site, other users, or third parties.

Upon termination:

• Your right to use the Site and its tools will cease immediately.
• Provisions of these Terms that by their nature should survive termination (including Sections 5, 7, 8, 9, and 11) will remain in effect.
• We may delete your account data in accordance with our Privacy Policy and data retention practices.

14. Severability

If any provision of these Terms is found to be invalid, illegal, or unenforceable by a court of competent jurisdiction, the remaining provisions will continue in full force and effect.

15. Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and Logical Fallacies regarding your use of the Site and supersede all prior agreements, communications, and understandings.

16. Contact Us

If you have questions about these Terms, please contact us:

Email: support@logicalfallacies.org