User contributions for 71.112.45.156

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15 December 2014

  • 05:2705:27, 15 December 2014 diff hist +4,373‎ Monoid ‎ →‎Examples: +idempotence monoids AND and OR. I quibble saying a set is a monoid - monoid is a set + operator - in modern math an operator defines its domain meaning a monoid can be called its operator. But I'll leave this alone. current
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