#  Copyright (c) 1997-2021
#  Ewgenij Gawrilow, Michael Joswig, and the polymake team
#  Technische Universität Berlin, Germany
#  https://polymake.org
#
#  This program is free software; you can redistribute it and/or modify it
#  under the terms of the GNU General Public License as published by the
#  Free Software Foundation; either version 2, or (at your option) any
#  later version: http://www.gnu.org/licenses/gpl.txt.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#-------------------------------------------------------------------------------

# @topic category functions/Producing a matroid from matroids
# These functions construct a new [[Matroid]] from other objects of the same type.

# @topic category functions/Producing a matroid from scratch
# With these clients you can create special examples of matroids belonging to parameterized families.

# @topic category functions/Producing a matroid from other objects
# These functions construct a new [[Matroid]] from other objects.

# @topic category any/Realizability
# Functions related to the realizability over certain fields.

# @topic category any/Advanced properties
# More complex properties of the matroid.

object Matroid {

# @topic category any/Axiom systems
# These are +++ that form (part of) an axiom system defining a matroid.
# Most of these can be used to create a matroid.

# @topic category any/Enumerative properties
# These are +++ of a matroid that count something.

# @topic category properties/Input properties
# These are properties that can be used to define a matroid, but do not actually constitute an axiom system.

# @topic category any/Valuation
# +++ related to the valuation of the matroid.

# @topic category any/Duality
# +++ related to duality and dual properties.

}

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