morfizm (morfizm) wrote,
morfizm
morfizm

HTML entities

Подсказка по HTML-символам: http://www.alanwood.net/demos/ent4_frame.html

Вот, например, математические операторы:

Mathematical Operators

Unicode U+2200 – U+22FF   (8704-8959)

∀ or ∀
for all (∀ or ∀)
∂ or ∂
partial differential (∂ or ∂)
∃ or ∃
there exists (∃ or ∃)
∅ or ∅
empty set, null set, diameter (∅ or ∅)
∇ or ∇
nabla, backward difference (∇ or ∇)
∈ or ∈
element of, set membership (∈ or ∈)
∉ or ∉
not an element of, denial of set membership (∉ or ∉)
∋ or ∋
contains as member (∋ or ∋)
∏ or ∏
n-ary product, product sign (∏ or ∏)
∑ or ∑
n-ary summation, sum of (∑ or ∑)
− or −
minus sign (- is hyphen) (− or −)
∗ or ∗
asterisk operator (∗ or ∗)
√ or √
square root, radical sign (√ or √)
∝ or ∝
proportional to (∝ or ∝)
∞ or ∞
infinity (∞ or ∞)
∠ or ∠
angle (∠ or ∠)
∧ or ∧
logical and, wedge (∧ or ∧)
∨ or ∨
logical or, vee (∨ or ∨)
∩ or ∩
intersection, cap (∩ or ∩)
∪ or ∪
union, cup (∪ or ∪)
∫ or ∫
integral (∫ or ∫)
∴ or ∴
therefore (∴ or ∴)
∼ or ∼
tilde operator, varies with, similar to (∼ or ∼)
≅ or ≅
congruent, approximately equal to (≅ or ≅)
≈ or ≈
asymptotic to, almost equal to (≈ or ≈)
The Adobe PostScript name for this character is approxequal
≠ or ≠
not equal to (≠ or ≠)
≡ or ≡
equivalence, identical to (≡ or ≡)
≤ or ≤
less than or equal to (≤ or ≤)
≥ or ≥
greater than or equal to (≥ or ≥)
⊂ or ⊂
subset of, proper subset (⊂ or ⊂)
⊃ or ⊃
superset of (⊃ or ⊃)
⊄ or ⊄
not a subset of (⊄ or ⊄)
⊆ or ⊆
subset of or equal to (⊆ or ⊆)
⊇ or ⊇
superset of or equal to (⊇ or ⊇)
⊕ or ⊕
circled plus, direct sum (⊕ or ⊕)
⊗ or ⊗
circled times, vector product (⊗ or ⊗)
⊥ or ⊥
up tack, orthogonal to, perpendicular (⊥ or ⊥)
⋅ or ⋅
dot operator (· is middle dot) (⋅ or ⋅)
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