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Sahrlicious' Guide - Best AI Tools to Learn in December 2025

A comprehensive guide to 50+ AI tools across productivity, writing, design, coding, education, video, audio, and automation. Whether you're a creator looking to streamline your workflow, a developer exploring the latest coding assistants, or someone curious about what AI can do for you in 2025, this guide breaks down each tool with honest insights, pricing details, and practical use cases. Includes a TL;DR quick reference so you can find exactly what you need.

Discrete Foundations - Fall Asleep with Sahrlicious

discrete foundations

teacher: sahr saffa

credits: mit 6.042j mathematics for computer science (open course ware)

This is the first episode of a series I'm calling Fall Asleep with Sahrlicious: Complex Learning with a Bit of Pop Culture.

Selfishly, I want to learn more about math to help me have a better framing of the world. At the same time, I think I can help make learning about math more "fun" to help others learn, too. Even if it's passively. Whether you actively learn or use it as ASMR to drift into understanding complex mathematical ideas through soft narration, I hope this furthers your understanding of the topic.

To the math nerds: I apologize in advance as I'm sort of a beginner here.

The first episode is titled Discrete Foundations because it establishes the importance of discrete numbers in math. It also helps us understand that the most complex ideas can be broken down into the simplest fundamentals.

So light a candle, dim the screen, tell the partner goodnight and let's dive into the warm pillows of quantum software engineering with stillness, structure and simplicity.

Because sometimes, the smallest grain attracts the largest star.

  • #00:00 intro
  • #01:20 what is discrete math?
  • #05:45 lego blocks vs. water analogy
  • #08:30 why it matters in quantum computing
  • #12:15 why discrete math matters for humans
  • #15:00 matrix analogy
  • #24:00 tap into the mind map
  • #30:00 outro / sleep fade

mind map

"The smallest grain can attract the largest star."

discrete foundations

discrete mathematics

countable, separate elements • bits, booleans • lego vs. water

sets & logic

sets, subsets, power sets • and, or, not • drake's albums as a set

well-ordering principle

every set has a least element • postage stamp proof • thanos snap logic

mathematical induction

step-by-step truth • domino effect • fibonacci patterns

algorithms

finite steps • sorting basics • matrix branching

graphs & trees

nodes and edges • quantum circuits • multiverse timelines

why this matters

math as mindfulness • computation as thought • small truths → vast structures