Prompthaus
Code Literacy

What is Boolean?

In code, a true or false value that drives conditions and branching logic.

isValid = true

Finish the sentencePrompthaus

A boolean is…

Practice this term

Write it in your own words in the app.

In real work

Ask the agent for a boolean isValid flag instead of a vague status string.

In the illustration

The lever is thrown from FALSE across to TRUE and the lamp lights; there is no middle stop to rest in.

Use it in a prompt

Rename the boolean flags in your coding agent so each reads as a question: isActive, hasPaid, canEdit. Update the call sites.

Open in…

Try it now

The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.

Go further

  1. 01Practice

    Make it stick

    One term a day, a short quiz, and sentence practice that checks your own words.

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  2. 02Verify

    Prove you know it

    Pass the quiz and keep it in a Skills Wallet you can share with anyone who needs proof.

    How verification works →

  3. 03Career

    Find the work that uses it

    See which roles lean on this vocabulary, and what they pay in year one.

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Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews. Then it quizzes you until the word sticks. One term a day on iPhone.

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