# Packages matching: installed
# Name # Installed # Synopsis
base-bigarray base
base-domains base
base-nnp base Naked pointers prohibited in the OCaml heap
base-threads base
base-unix base
conf-gmp 4 Virtual package relying on a GMP lib system installation
coq 8.17.0 The Coq Proof Assistant
coq-core 8.17.0 The Coq Proof Assistant -- Core Binaries and Tools
coq-stdlib 8.17.0 The Coq Proof Assistant -- Standard Library
coqide-server 8.17.0 The Coq Proof Assistant, XML protocol server
dune 3.13.0 Fast, portable, and opinionated build system
ocaml 5.0.0 The OCaml compiler (virtual package)
ocaml-base-compiler 5.0.0 Official release 5.0.0
ocaml-config 3 OCaml Switch Configuration
ocaml-options-vanilla 1 Ensure that OCaml is compiled with no special options enabled
ocamlfind 1.9.6 A library manager for OCaml
zarith 1.13 Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
maintainer: "Hugo.Herbelin@inria.fr"
homepage: "https://github.com/coq-contribs/euler-formula"
license: "LGPL"
build: [make "-j%{jobs}%"]
install: [make "install"]
remove: ["rm" "-R" "%{lib}%/coq/user-contrib/EulerFormula"]
depends: [
"ocaml"
"coq" {>= "8.7" & < "8.8~"}
]
tags: [
"keyword: polyhedron"
"keyword: hypermap"
"keyword: genus"
"keyword: Euler formula"
"keyword: assisted proofs"
"category: Mathematics/Geometry"
"date: 2006-09"
]
authors: [ "Jean-François Dufourd <dufourd@dpt-info.u-strasbg.fr> [http://dpt-info.u-strasbg.fr/~jfd/]" ]
bug-reports: "https://github.com/coq-contribs/euler-formula/issues"
dev-repo: "git+https://github.com/coq-contribs/euler-formula.git"
synopsis: "Hypermaps, Genus Theorem and Euler Formula"
description:
"This library formalizes the combinatorial hypermaps and their properties in a constructive way. It gives the proofs of the Genus Theorem and of the Euler Formula for the polyhedra."
flags: light-uninstall
url {
src: "https://github.com/coq-contribs/euler-formula/archive/v8.7.0.tar.gz"
checksum: "md5=b0764bf83063699c2ce7b8b0c0673abc"
}
trueDry install with the current Coq version:
opam install -y --show-action coq-euler-formula.8.7.0 coq.8.17.0[NOTE] Package coq is already installed (current version is 8.17.0).
[ERROR] Package conflict!
* No agreement on the version of ocaml:
- (invariant) -> ocaml-base-compiler = 5.0.0 -> ocaml = 5.0.0
- coq-euler-formula = 8.7.0 -> coq < 8.8~ -> ocaml < 4.02.0
You can temporarily relax the switch invariant with `--update-invariant'
* No agreement on the version of ocaml-base-compiler:
- (invariant) -> ocaml-base-compiler = 5.0.0
- coq-euler-formula = 8.7.0 -> coq < 8.8~ -> ocaml < 4.02.0 -> ocaml-base-compiler < 3.07+1
* Missing dependency:
- coq-euler-formula = 8.7.0 -> coq < 8.8~ -> ocaml < 4.02.0 -> ocaml-variants >= 3.09.2 -> ocaml-beta
unmet availability conditions: 'enable-ocaml-beta-repository'
No solution found, exiting
Dry install without Coq/switch base, to test if the problem was incompatibility with the current Coq/OCaml version:
opam remove -y coq; opam install -y --show-action --unlock-base coq-euler-formula.8.7.0truetrueNo files were installed.
true