# Packages matching: installed
# Name # Installed # Synopsis
base-bigarray base
base-num base Num library distributed with the OCaml compiler
base-threads base
base-unix base
camlp5 7.14 Preprocessor-pretty-printer of OCaml
conf-findutils 1 Virtual package relying on findutils
conf-perl 2 Virtual package relying on perl
coq 8.5.2 Formal proof management system
num 0 The Num library for arbitrary-precision integer and rational arithmetic
ocaml 4.04.2 The OCaml compiler (virtual package)
ocaml-base-compiler 4.04.2 Official 4.04.2 release
ocaml-config 1 OCaml Switch Configuration
# opam file:
opam-version: "2.0"
maintainer: "Hugo.Herbelin@inria.fr"
homepage: "https://github.com/coq-contribs/higman-cf"
license: "LGPL 2.1"
build: [make "-j%{jobs}%"]
install: [make "install"]
remove: ["rm" "-R" "%{lib}%/coq/user-contrib/HigmanCF"]
depends: [
"ocaml"
"coq" {>= "8.9" & < "8.10~"}
]
tags: [
"keyword: Higman's lemma"
"keyword: extraction"
"category: Mathematics/Combinatorics and Graph Theory"
"category: Miscellaneous/Extracted Programs/Combinatorics"
]
authors: [
"Stefan Berghofer"
]
bug-reports: "https://github.com/coq-contribs/higman-cf/issues"
dev-repo: "git+https://github.com/coq-contribs/higman-cf.git"
synopsis: "A direct constructive proof of Higman's Lemma"
description: """
This development formalizes in Coq the Coquand-Friedlender proof of
Higman's lemma for a two-letter alphabet.
An efficient program can be extracted from the proof."""
flags: light-uninstall
url {
src: "https://github.com/coq-contribs/higman-cf/archive/v8.9.0.tar.gz"
checksum: "md5=1ce02b6135e92838aaf98fc5932274bf"
}
trueDry install with the current Coq version:
opam install -y --show-action coq-higman-cf.8.9.0 coq.8.5.2[NOTE] Package coq is already installed (current version is 8.5.2).
The following dependencies couldn't be met:
- coq-higman-cf -> coq >= 8.9 -> ocaml >= 4.05.0
base of this switch (use `--unlock-base' to force)
- coq-higman-cf -> coq >= 8.9 -> coq-core -> ocaml >= 4.09.0
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:
opam remove -y coq; opam install -y --show-action --unlock-base coq-higman-cf.8.9.0truetrueNo files were installed.
true