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Almost equal to … Ellipsis = Equals sign ... Colon ℠ Service mark symbol ... 2 nd, 3 rd, 4 th or (though not in English) 1º, 2º, ...
The colon:, is a punctuation mark consisting of two equally sized dots aligned vertically. A colon often precedes an explanation, a list, [1] or a quoted sentence. [2] It is also used between hours and minutes in time, [1] between certain elements in medical journal citations, [3] between chapter and verse in Bible citations, [4] and, in the US, for salutations in business letters and other ...
In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics.
Typically, a colon is used for the eyes of a face, unless winking, in which case a semicolon is used. However, an equals sign, a number 8, a capital letter B or a capital letter X are also used to indicate normal eyes, widened eyes, those with glasses or those with crinkled eyes, respectively.
CUNEIFORM PUNCTUATION SIGN VERTICAL COLON U+12471: Po, other Cuneiform ⑲ CUNEIFORM PUNCTUATION SIGN DIAGONAL COLON U+12472: Po, other Cuneiform ⑳ CUNEIFORM PUNCTUATION SIGN DIAGONAL TRICOLON U+12473: Po, other Cuneiform ⑴ CUNEIFORM PUNCTUATION SIGN DIAGONAL QUADCOLON U+12474: Po, other Cuneiform ꙳ SLAVONIC ASTERISK U+A673: Po, other ...
𝒒 𝒓 𝒔 𝒕 𝒖 𝒗 𝒘 𝒙 𝒚 𝒛 𝒜 𝒞 𝒟 U+1D4Ax 𝒢 𝒥 𝒦 𝒩 𝒪 𝒫 𝒬 𝒮 𝒯 U+1D4Bx 𝒰 𝒱 𝒲 𝒳 𝒴 𝒵 𝒶 𝒷 𝒸 𝒹 𝒻 𝒽 𝒾 𝒿 U+1D4Cx 𝓀 𝓁 𝓂 𝓃 𝓅 𝓆 𝓇 𝓈 𝓉 𝓊 𝓋 𝓌 𝓍 𝓎 𝓏 U+1D4Dx 𝓐 𝓑 𝓒 𝓓 𝓔 𝓕 𝓖 𝓗 𝓘 𝓙 𝓚 𝓛
Logical equivalence is different from material equivalence. Formulas and are logically equivalent if and only if the statement of their material equivalence is a tautology.
The equals sign (British English) or equal sign (American English), also known as the equality sign, is the mathematical symbol =, which is used to indicate equality in some well-defined sense. [1] In an equation , it is placed between two expressions that have the same value, or for which one studies the conditions under which they have the ...