package coq

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Formal proof management system

Install

Dune Dependency

coq.inria.fr Edit opam file Versions (38)

Authors

T

The Coq development team, INRIA, CNRS, and contributors.

Maintainers

C

coqdev@inria.fr

Sources

coq-8.15.2.tar.gz

sha256=13a67c0a4559ae22e9765c8fdb88957b16c2b335a2d5f47e4d6d9b4b8b299926

doc/coq-core.kernel/Univ/Universe/index.html

Module `Univ.Universe`Source

Sourcetype t

Type of universes. A universe is defined as a set of level expressions. A level expression is built from levels and successors of level expressions, i.e.: le ::= l + n, n \in N.

A universe is said atomic if it consists of a single level expression with no increment, and algebraic otherwise (think the least upper bound of a set of level expressions).

Sourceval compare : t -> t -> int

Comparison function

Sourceval equal : t -> t -> bool

Equality function on formal universes

Sourceval hash : t -> int

Hash function

Sourceval make : Level.t -> t

Create a universe representing the given level.

Sourceval pr : t -> Pp.t

Pretty-printing

Sourceval pr_with : (Level.t -> Pp.t) -> t -> Pp.t

Sourceval is_level : t -> bool

Test if the universe is a level or an algebraic universe.

Sourceval is_levels : t -> bool

Test if the universe is a lub of levels or contains +n's.

Sourceval level : t -> Level.t option

Try to get a level out of a universe, returns None if it is an algebraic universe.

Sourceval levels : t -> Level.Set.t

Get the levels inside the universe, forgetting about increments

Sourceval super : t -> t

The universe strictly above

Sourceval sup : t -> t -> t

The l.u.b. of 2 universes

Sourceval sprop : t

Sourceval type0m : t

image of Prop in the universes hierarchy

Sourceval type0 : t

image of Set in the universes hierarchy

Sourceval type1 : t

the universe of the type of Prop/Set

Sourceval is_sprop : t -> bool

Sourceval is_type0m : t -> bool

Sourceval is_type0 : t -> bool

Sourceval exists : ((Level.t * int) -> bool) -> t -> bool

Sourceval for_all : ((Level.t * int) -> bool) -> t -> bool

Sourceval repr : t -> (Level.t * int) list

Sourcemodule Set : CSet.S with type elt = t

Sourcemodule Map : CMap.ExtS with type key = t and module Set := Set