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• CommentRowNumber1.
• CommentAuthorTobyBartels
• CommentTimeAug 26th 2018

Make Lie ideals a special case of the general definition for rings (and the like).

• CommentRowNumber2.
• CommentAuthorTobyBartels
• CommentTimeAug 26th 2018

Add irreducible ideals to the list of types of ideals (but really, some of these need their own pages!).

• CommentRowNumber3.
• CommentAuthorTobyBartels
• CommentTimeAug 27th 2018

Prepare to make prime ideal its own page.

• CommentRowNumber4.
• CommentAuthorTobyBartels
• CommentTimeAug 29th 2018

Prepare for creation of irreducible ideal; postpare for creation of prime ideal (removing materials that has been moved there).

• CommentRowNumber5.
• CommentAuthorTobyBartels
• CommentTimeAug 31st 2018

Remove some material moved to irreducible ideal.

• CommentRowNumber6.
• CommentAuthorzskoda
• CommentTimeSep 7th 2018

I wrote few more words under monoid, category and additive category part, to have the definition phrased rather than just saying that the notion exists.

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