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Wiktionary:Beer parlour
1 Jul 2011, 7:00 pm
Mathematical symbol: | ← Older revision | Revision as of 18:00, 1 July 2011 | | Line 1,135: | Line 1,135: | | | :::Actually, you can replace = by <, and you can replace other mathematical symbols by |x|, if you want to represent different values. Among the characteristics that mathematical symbols share, there is the fact that they change the value of numbers: −3 and 3 are different things. They are also expected to be used with other mathematical symbols and/or with numbers: "<dog" does not make sense if "<" is a less-than sign and "dog" is the word meaning domestic canine. --[[User:Daniel Carrero|Daniel]] 16:49, 1 July 2011 (UTC) | | :::Actually, you can replace = by <, and you can replace other mathematical symbols by |x|, if you want to represent different values. Among the characteristics that mathematical symbols share, there is the fact that they change the value of numbers: −3 and 3 are different things. They are also expected to be used with other mathematical symbols and/or with numbers: "<dog" does not make sense if "<" is a less-than sign and "dog" is the word meaning domestic canine. --[[User:Daniel Carrero|Daniel]] 16:49, 1 July 2011 (UTC) | | | :::: They don't all change the value of numbers; 1 ∈ (1, dog) doesn't change numbers, and is as valid a statement as dog ∈ (1, dog) or dog ∈ (cat, dog).--[[User:Prosfilaes|Prosfilaes]] 17:06, 1 July 2011 (UTC) | | :::: They don't all change the value of numbers; 1 ∈ (1, dog) doesn't change numbers, and is as valid a statement as dog ∈ (1, dog) or dog ∈ (cat, dog).--[[User:Prosfilaes|Prosfilaes]] 17:06, 1 July 2011 (UTC) | | | + | :::::OK, thanks. I should have mentioned that somehow before. Let's see: While "<" as an algebraic symbol determines a relationship of numeric values, ∈ as a symbol of set theory determines a relationship of sets and their elements. Different fields of mathematic, somewhat different rules. --[[User:Daniel Carrero|Daniel]] 18:00, 1 July 2011 (UTC) | | | | | | | | = July 2011 = | | = July 2011 = | |
