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* (2022-05-24 01:37:32 UTC)*

# Packages matching: installed # Name # Installed # Synopsis base-bigarray base base-threads base base-unix base conf-findutils 1 Virtual package relying on findutils conf-gmp 4 Virtual package relying on a GMP lib system installation coq dev Formal proof management system dune 3.1.1 Fast, portable, and opinionated build system ocaml 4.10.2 The OCaml compiler (virtual package) ocaml-base-compiler 4.10.2 Official release 4.10.2 ocaml-config 1 OCaml Switch Configuration ocamlfind 1.9.3 A library manager for OCaml zarith 1.12 Implements arithmetic and logical operations over arbitrary-precision integers # opam file: opam-version: "2.0" maintainer: "Pierre Roux <pierre.roux@onera.fr>" homepage: "https://github.com/math-comp/fourcolor" bug-reports: "https://github.com/math-comp/fourcolor/issues" dev-repo: "git+https://github.com/math-comp/fourcolor" license: "CECILL-B" build: [ make "-j" "%{jobs}%" ] install: [ make "install" ] depends: [ "coq" { >= "8.11" & < "8.16~" } "coq-mathcomp-algebra" { >= "1.11.0" & < "1.15~" } ] tags: [ "keyword:Four color theorem" "keyword:small scale reflection" "keyword:mathematical components" "logpath:fourcolor" ] authors: [ "Georges Gonthier" ] synopsis: "Mechanization of the Four Color Theorem" description: """ Proof of the Four Color Theorem This library contains a formalized proof of the Four Color Theorem, along with the theories needed to support stating and then proving the Theorem. This includes an axiomatization of the setoid of classical real numbers, basic plane topology definitions, and a theory of combinatorial hypermaps. """ url { src: "https://github.com/math-comp/fourcolor/archive/v1.2.4.tar.gz" checksum: "sha512=7b2a54b6d11ed582b72b975a55f36cc992b19cbb59eb69199da13304e2b87cc78bc2699911c5f625190ecff0c07c13cd4c43656e116e0aed8ce595d3f32dd7b0" }

- Command
`true`

- Return code
- 0

Dry install with the current Coq version:

- Command
`opam install -y --show-action coq-fourcolor.1.2.4 coq.dev`

- Return code
- 5120
- Output
[NOTE] Package coq is already installed (current version is dev). The following dependencies couldn't be met: - coq-fourcolor -> coq < 8.16~ -> ocaml < 4.10 base of this switch (use `--unlock-base' to force) Your request can't be satisfied: - No available version of coq satisfies the constraints No solution found, exiting

Dry install without Coq/switch base, to test if the problem was incompatibility with the current Coq/OCaml version:

- Command
`opam remove -y coq; opam install -y --show-action --unlock-base coq-fourcolor.1.2.4`

- Return code
- 0

- Command
`true`

- Return code
- 0
- Duration
- 0 s

- Command
`true`

- Return code
- 0
- Duration
- 0 s

No files were installed.

- Command
`true`

- Return code
- 0
- Missing removes
- none
- Wrong removes
- none