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Foundations, no jargon — from "what is an LLM?" to how agents reason. Bilingual, فارسی-first.

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AI estimates — it doesn't calculate

Why this time is different

AI is not one thing

Grading what you can't exact-match

How agent teams coordinate: a guide to choosing the right shape

How RAG actually works

What "agentic" actually means

You might not need an agent

From LLMs to agents: the complete journey

How agents remember: memory and knowledge representation

How an AI agent thinks

Prompt engineering from zero: write a formal letter, not a text message

One agent or many? When each one fits