> For the complete documentation index, see [llms.txt](https://fundamentals.rocketacademy.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://fundamentals.rocketacademy.co/4-conditional-logic.md).

# 4: Conditional Logic

- [4.1: Intro to Logic](https://fundamentals.rocketacademy.co/4-conditional-logic/4.1-intro-to-logic.md)
- [4.2: Pseudo-Code, Boolean Or](https://fundamentals.rocketacademy.co/4-conditional-logic/4.2-pseudo-code-boolean-or.md)
- [4.3: Boolean AND, NOT](https://fundamentals.rocketacademy.co/4-conditional-logic/4.3-boolean-and-not.md)
- [4.4: Input Validation](https://fundamentals.rocketacademy.co/4-conditional-logic/4.4-input-validation.md)
- [Additional Resources 4](https://fundamentals.rocketacademy.co/4-conditional-logic/additional-resources-4.md): For the curious and the hungry