MyWikiBiz, Author Your Legacy — Monday November 17, 2025
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, 19:48, 21 August 2012
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| | <li> | | <li> |
| − | <p>The set of linear functions <math>f : \underline{X} \to \mathbb{B}\!</math> has a cardinality of <math>2^n\!</math> and is known as the ''dual space'' <math>\underline{X}^{*}\!</math> in vector space contexts. In formal language contexts, in order to avoid conflicts with the use of the ''kleene star'' operator, it needs to be given an alternate notation:</p> | + | <p>The set of ''linear functions'' <math>f : \underline{X} \to \mathbb{B}\!</math> has a cardinality of <math>2^n\!</math> and is known as the ''dual space'' <math>\underline{X}^{*}\!</math> in vector space contexts. In formal language contexts, in order to avoid conflicts with the use of the ''kleene star'' operator, it needs to be given an alternate notation:</p> |
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| − | <p><math>\underline{X}^{+\!\to} = (\underline{X} +\!\!\to \mathbb{B}) = \{ f : \underline{X} +\!\!\to \mathbb{B} \}.\!</math></p></li> | + | <p><math>\underline{X}^{+\!\to} = (\underline{X} ~+\!\!\to \mathbb{B}) = \{ f : \underline{X} ~+\!\!\to \mathbb{B} \}.\!</math></p></li> |
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| | + | <li> |
| | + | <p>The set of ''singular functions'' <math>f : \underline{X} \to \mathbb{B}\!</math> has a cardinality of <math>2^n\!</math> and is notated as follows:</p> |
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| | + | <p><math>\underline{X}^{!\!\to} = (\underline{X} ~!\!\!\to \mathbb{B}) = \{ f : \underline{X} ~!\!\!\to \mathbb{B} \}.\!</math></p></li> |
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| | </ol></ol> | | </ol></ol> |
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| | <pre> | | <pre> |
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| − | c. The set of singular functions f : X >B has a cardinality of 2n and is notated as follows:
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| − | X!> = (X !> B) = {f : X !> B}.
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| | d. The set of positive functions f : X >B has a cardinality of 2n and is notated as follows: | | d. The set of positive functions f : X >B has a cardinality of 2n and is notated as follows: |