手册

数学

Discovery

Andrius Kulikauskas

  • ms@ms.lt
  • +370 607 27 665
  • My work is in the Public Domain for all to share freely.

Lietuvių kalba

Introduction E9F5FC

Understandable FFFFFF

Questions FFFFC0

Notes EEEEEE

Software


See: Math Notebook

对偶

Investigation: Explore how duality is broken by comparing a category and its opposite category?


  • What are categories related to logic?
  • What are examples in math where a category is isomorphic to its opposite category?
  • When is a category actually equal (not merely isomorphic) to its opposite category?

Examples to study:

  • Set (and the tiniest versions)
  • Top (and the tiniest versions)

CategoryDuality


Naujausi pakeitimai


Puslapis paskutinį kartą pakeistas 2019 vasario 13 d., 15:20
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