See also the corresponding code chart.

27C0 Miscellaneous Mathematical Symbols-A 27EF

Miscellaneous symbols

27C0⟀THREE DIMENSIONAL ANGLE
• used by Euclid
27C1⟁WHITE TRIANGLE CONTAINING SMALL WHITE TRIANGLE
• used by Euclid
27C2⟂PERPENDICULAR
= orthogonal to
• relation, typeset with additional spacing
→ 22A5 ⊥ up tack
27C3⟃OPEN SUBSET
27C4⟄OPEN SUPERSET

Paired punctuation

27C5⟅LEFT S-SHAPED BAG DELIMITER
27C6⟆RIGHT S-SHAPED BAG DELIMITER

Operator

27C7⟇OR WITH DOT INSIDE
→ 2228 ∨ logical or
→ 228D ⊍ multiset multiplication
→ 27D1 ⟑ and with dot

Miscellaneous symbols

27C8⟈REVERSE SOLIDUS PRECEDING SUBSET
27C9⟉SUPERSET PRECEDING SOLIDUS

Vertical line operator

27CA⟊VERTICAL BAR WITH HORIZONTAL STROKE
→ 2AF2 ⫲ parallel with horizontal stroke
→ 2AF5 ⫵ triple vertical bar with horizontal stroke

Miscellaneous symbol

27CB⟋MATHEMATICAL RISING DIAGONAL
= \diagup
→ 2215 ∕ division slash

Division operator

27CC⟌LONG DIVISION
• graphically extends over the dividend
→ 00F7 ÷ division sign
→ 2215 ∕ division slash
→ 221A √ square root

Miscellaneous symbol

27CD⟍MATHEMATICAL FALLING DIAGONAL
= \diagdown
→ 2216 ∖ set minus
→ 29F5 ⧵ reverse solidus operator

Operators

27CE⟎SQUARED LOGICAL AND
= box min
• morphological min product operator
• morphological erosion operator
• additive minimum operator
27CF⟏SQUARED LOGICAL OR
= box max
• morphological max product operator
• morphological dilation operator
• additive maximum operator

Miscellaneous symbol

27D0⟐WHITE DIAMOND WITH CENTRED DOT
→ 1F4A0 💠 diamond shape with a dot inside

Operators

27D1⟑AND WITH DOT
→ 2227 ∧ logical and
→ 27C7 ⟇ or with dot inside
→ 2A40 ⩀ intersection with dot
27D2⟒ELEMENT OF OPENING UPWARDS
→ 2AD9 ⫙ element of opening downwards
27D3⟓LOWER RIGHT CORNER WITH DOT
= pullback
→ 230B ⌋ right floor
27D4⟔UPPER LEFT CORNER WITH DOT
= pushout
→ 2308 ⌈ left ceiling

Database theory operators

27D5⟕LEFT OUTER JOIN
27D6⟖RIGHT OUTER JOIN
27D7⟗FULL OUTER JOIN
→ 2A1D ⨝ join

Tacks and turnstiles

27D8⟘LARGE UP TACK
→ 22A5 ⊥ up tack
27D9⟙LARGE DOWN TACK
→ 22A4 ⊤ down tack
27DA⟚LEFT AND RIGHT DOUBLE TURNSTILE
→ 22A8 ⊨ true
→ 2AE4 ⫤ vertical bar double left turnstile
27DB⟛LEFT AND RIGHT TACK
→ 22A2 ⊢ right tack
27DC⟜LEFT MULTIMAP
→ 22B8 ⊸ multimap
27DD⟝LONG RIGHT TACK
→ 22A2 ⊢ right tack
27DE⟞LONG LEFT TACK
→ 22A3 ⊣ left tack
27DF⟟UP TACK WITH CIRCLE ABOVE
= radial component
→ 2AF1 ⫱ down tack with circle below

Modal logic operators

27E0⟠LOZENGE DIVIDED BY HORIZONTAL RULE
• used as form of possibility in modal logic
→ 25CA ◊ lozenge
27E1⟡WHITE CONCAVE-SIDED DIAMOND
= never (modal operator)
→ 25C7 ◇ white diamond
27E2⟢WHITE CONCAVE-SIDED DIAMOND WITH LEFTWARDS TICK
= was never (modal operator)
27E3⟣WHITE CONCAVE-SIDED DIAMOND WITH RIGHTWARDS TICK
= will never be (modal operator)
27E4⟤WHITE SQUARE WITH LEFTWARDS TICK
= was always (modal operator)
→ 25A1 □ white square
→ 25FB ◻ white medium square
27E5⟥WHITE SQUARE WITH RIGHTWARDS TICK
= will always be (modal operator)

Mathematical brackets

These bracket characters are also used as punctuation outside of a mathematical context.
27E6⟦MATHEMATICAL LEFT WHITE SQUARE BRACKET
= z notation left bag bracket
→ 301A 〚 left white square bracket
27E7⟧MATHEMATICAL RIGHT WHITE SQUARE BRACKET
= z notation right bag bracket
→ 301B 〛 right white square bracket
27E8⟨MATHEMATICAL LEFT ANGLE BRACKET
= bra
= z notation left sequence bracket
→ 2329 〈 left-pointing angle bracket
→ 3008 〈 left angle bracket
27E9⟩MATHEMATICAL RIGHT ANGLE BRACKET
= ket
= z notation right sequence bracket
→ 232A 〉 right-pointing angle bracket
→ 3009 〉 right angle bracket
27EA⟪MATHEMATICAL LEFT DOUBLE ANGLE BRACKET
= z notation left chevron bracket
→ 300A 《 left double angle bracket
27EB⟫MATHEMATICAL RIGHT DOUBLE ANGLE BRACKET
= z notation right chevron bracket
→ 300B 》 right double angle bracket
27EC⟬MATHEMATICAL LEFT WHITE TORTOISE SHELL BRACKET
→ 2997 ⦗ left black tortoise shell bracket
→ 3018 〘 left white tortoise shell bracket
27ED⟭MATHEMATICAL RIGHT WHITE TORTOISE SHELL BRACKET
→ 2998 ⦘ right black tortoise shell bracket
→ 3019 〙 right white tortoise shell bracket
27EE⟮MATHEMATICAL LEFT FLATTENED PARENTHESIS
= lgroup
27EF⟯MATHEMATICAL RIGHT FLATTENED PARENTHESIS
= rgroup