Top Left Corner

Part of Technical and Miscellaneous Symbols

Top Left Corner has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.

Alt code
None
HTML entity
⌜
Unicode
U+231C

About this symbol

⌜ and ⌝, top corners, are the quasi-quotation marks that the logician Willard Van Orman Quine introduced in his Mathematical Logic of 1940, to talk about the shape of formulas that contain variables. Logicians still call them Quine corners.

Unicode facts

Official name
TOP LEFT CORNER
Type
Symbol
Unicode block
Miscellaneous Technical
Unicode group
Quine corners
Added in
Unicode 1.1 (1993)
Related
⸀ Right Angle Substitution Marker U+2E00
⸢ Top Left Half Bracket U+2E22

Click the symbol or any value at the top of the page to copy it. See the full Technical and Miscellaneous Symbols chart for related characters.

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