Begin working on Hartogs numbers #24
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palmskog
reviewed
Jan 9, 2021
Also: - Enable universe polymorphism, because otherwise some statements can’t be made. - Introduce the type [WO] of well-orders. This simplifies notation. There are some holes that need to be filled in the proofs.
Columbus240
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I abandon this branch. The usual ordinal constructions of set-theory are hard to reproduce in type-theory. Universe conflicts etc. also make it hard to work with. Maybe I first have to study ordinals in ETCS or similar, before retrying the Hartog construction. |
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Also:
be made.
There are some holes that need to be filled in the proofs.
Related to issue #22