... the notions category and functor were not formulated or put in print until the idea of a natural transformation was also at hand.
... the notions category and functor were not formulated or put in print until the idea of a natural transformation was also at hand. - Saunders Mac Lane
- Saunders Mac Lane
The standard "foundation" for mathematics starts with sets and their elements. It is possible to start differently, by axiomatising not elements of s… - Saunders Mac Lane
The standard "foundation" for mathematics starts with sets and their elements. It is possible to start differently, by axiomatising not elements of s…
. . . in one sense a foundation is a security blanket: If you meticulously follow the rules laid down, no paradoxes or contradictions will arise. In … - Saunders Mac Lane
. . . in one sense a foundation is a security blanket: If you meticulously follow the rules laid down, no paradoxes or contradictions will arise. In …
. . . the membership relation for sets can often be replaced by the composition operation for functions. This leads to an alternative foundation for … - Saunders Mac Lane
. . . the membership relation for sets can often be replaced by the composition operation for functions. This leads to an alternative foundation for …
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