Logic and Reasoning Symbols
Copy common therefore, because, implication, quantifier, and set-relation symbols for reasoning notes.
A focused collection of the logic marks most often used together in proofs, arguments, and structured notes.
Most used together
Fast copyCopy symbols
Click to copy + add to trayGrouped by use
Useful combinations
Reasoning and implication
Common conclusion, premise, implication, and equivalence marks.
Quantifiers and operators
Universal, existential, negation, conjunction, and disjunction symbols.
Set relations
Membership, subset, and superset notation.
Ready to paste
Copy-ready snippets
Useful combinations for notes, equations, and documents. Copy one as-is, then edit it in your document.
Recently copied
Find another symbol
Search by name, meaning, shortcut, or how you plan to use it.
Related symbol sets
Quick answers
Frequently asked questions
How do I copy these symbols?
Press any large symbol card or snippet. QuickSymbols copies it immediately and adds it to the copy tray, where you can combine several items.
Can I use these in Notion or Google Docs?
Yes. These are standard text characters, so you can paste them into Notion, Google Docs, email, notes, and most other text fields.
Do these work in Microsoft Word?
Yes. Paste them into Word like ordinary text. Their exact appearance can vary slightly with the selected font.
What is the difference between similar symbols?
The groups on this page explain the practical differences between the logic & reasoning shown here, including which forms fit common notes and equations.