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Vanilla 1.1.10 is a product of Lussumo. More Information: Documentation, Community Support.

• CommentRowNumber1.
• CommentAuthorDmitri Pavlov
• CommentTimeNov 29th 2019

Created a page.

• CommentRowNumber2.
• CommentAuthorMike Shulman
• CommentTimeNov 29th 2019

FWIW, there are a lot of variations in the axioms assumed on this sort of thing, cf algebraic set theory.

• CommentRowNumber3.
• CommentAuthorDmitri Pavlov
• CommentTimeNov 29th 2019

Added the remaining definitions.

• CommentRowNumber4.
• CommentAuthorDmitri Pavlov
• CommentTimeNov 29th 2019
Re #2: Of course. But I wanted to record at least one definition, since so far the nLab had none.
• CommentRowNumber5.
• CommentAuthorTodd_Trimble
• CommentTimeNov 29th 2019

Made specific reference to Joyal-Moerdijk.

• CommentRowNumber6.
• CommentAuthorMike Shulman
• CommentTimeNov 30th 2019

Added an idea section.

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