This page was last edited on February 2, 2026
This braille table lists miscellaneous signs found in the UEB (Unified English Braille) tables.
| Description | Braille | Dots |
|---|---|---|
| Dot Locator for Mention | ⠨⠿ | 4-6, 1-2-3-4-5-6 |
| Visible space | ⠬ | 3-4-6 |
| Angle ∠ | ⠨⠪ | 4-6, 2-4-6 |
| Measured Angle ∡ | ⠸⠸⠪ | 4-5-6, 4-5-6, 2-4-6 |
| Right Angle with Arc ⊾ | ⠼⠸⠪ | 3-4-5-6, 4-5-6, 2-4-6 |
| Superscript Indicator | ⠔ | 3-5 |
| Subscript Indicator | ⠢ | 2-6 |
| Angstrom Symbol Å | ⠠⠘⠫⠁ | 6, 4-5, 1-2-4-6, 1 |
| For All ∀ | ⠘⠁ | 4-5, 1 |
| Prime Sign ′ | ⠶ | 2-3-5-6 |
| Double prime Sign ″ | ⠶⠶ | 2-3-5-6, 2-3-5-6 |
| Triple prime Sign ‴ | ⠶⠶⠶ | 2-3-5-6, 2-3-5-6, 2-3-5-6 |
| Partial Differential ∂ | ⠈⠙ | 4, 1-4-5 |
| There Exists ∃ | ⠘⠢ | 4-5, 2-6 |
| There Does Not Exist ∄ | ⠘⠢⠈⠱ | 4-5, 2-6, 4, 1-5-6 |
| Empty Set ∅ | ⠈⠚ | 4, 2-4-5 |
| Nabla (Del, Inverted Capital Delta) ∇ | ⠘⠙ | 4-5, 1-4-5 |
| End of Proof ∎ | ⠸⠫⠼⠙ | 4-5-6, 1-2-4-6, 3-4-5-6, 1-4-5 |
| Square Root (Radical) Without Vinculum √ | ⠐⠩ | 5, 1-4-6 |
| Infinity ∞ | ⠼⠿ | 3-4-5-6, 1-2-3-4-5-6 |
| Integral ∫ | ⠮ | 2-3-4-6 |
| Contour Integral (Closed Line Integral)∮ | ⠈⠮ | 4, 2-3-4-6 |
| Therefore ∴ | ⠠⠡ | 6, 1-6 |
| Because (Since) ∵ | ⠈⠌ | 4, 3-4 |
| Ratio ∶ | ⠒ | 2-5 |
| Proportion ∷ | ⠒⠒ | 2-5, 2-5 |
| Divides ∣ | ⠸⠳ | 4-5-6, 1-2-5-6 |
| Does Not Divide ∤ | ⠸⠳⠈⠱ | 4-5-6, 1-2-5-6, 4, 1-5-6 |
| Parallel ∥ | ⠼⠇ | 3-4-5-6, 1-2-3 |
| Not Parallel ∦ | ⠼⠇⠈⠱ | 3-4-5-6, 1-2-3, 4, 1-5-6 |
| Up Tack (Perpendicular) ⟂ | ⠼⠤ | 3-4-5-6, 3-6 |
| Assertion (Is a Theorem) ⊦ | ⠸⠒ | 4-5-6, 2-5 |
| Left Tack (Reverse Assertion) ⊣ | ⠈⠸⠒ | 4, 4-5-6, 2-5 |
| True (Is Valid) ⊨ | ⠘⠸⠒ | 4-5, 4-5-6, 2-5 |
| Does Not Prove ⊬ | ⠸⠒⠈⠱ | 4-5-6, 2-5, 4, 1-5-6 |
| Not True ⊭ | ⠘⠸⠒⠈⠱ | 4-5, 4-5-6, 2-5, 4, 1-5-6 |
| Vertical Bar Double Left Turnstile ⫤ | ⠨⠸⠒ | 4-6, 4-5-6, 2-5 |
| Check Mark (Tick) ✓ | ⠈⠩ | 4, 1-4-6 |
| Plimsoll Sign (Standard State) ⦵ | ⠨⠚ | 4-6, 2-4-5 |