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* (2021-12-16 03:29:46 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 3 Virtual package relying on a GMP lib system installation coq dev Formal proof management system dune 2.9.1 Fast, portable, and opinionated build system ocaml 4.05.0 The OCaml compiler (virtual package) ocaml-base-compiler 4.05.0 Official 4.05.0 release ocaml-config 1 OCaml Switch Configuration ocaml-secondary-compiler 4.08.1-1 OCaml 4.08.1 Secondary Switch Compiler ocamlfind 1.9.1 A library manager for OCaml ocamlfind-secondary 1.9.1 Adds support for ocaml-secondary-compiler to ocamlfind zarith 1.12 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/paradoxes" license: "LGPL 2.1" build: [make "-j%{jobs}%"] install: [make "install"] remove: ["rm" "-R" "%{lib}%/coq/user-contrib/Paradoxes"] depends: [ "ocaml" "coq" {>= "8.6" & < "8.7~"} ] tags: [ "keyword: Reynolds paradox" "keyword: Burali-Forti paradox" "keyword: Diaconescu paradox" "keyword: set theory" "keyword: system U" "keyword: inconsistency" "keyword: Hurkens paradox" "category: Mathematics/Logic/Foundations" ] authors: [ "Bruno Barras" "Thierry Coquand" "Hugo Herbelin" "Benjamin Werner" ] bug-reports: "https://github.com/coq-contribs/paradoxes/issues" dev-repo: "git+https://github.com/coq-contribs/paradoxes.git" synopsis: "Paradoxes in Set Theory and Type Theory" description: """ A formalisation of Burali-Forti paradox in system U (the existence of an ordinal of ordinals is inconsistent), of Diaconescu paradox (axiom of choice implies excluded-middle), of Reynolds paradox (there is no set-theoretic model of system F) and Hurkens paradox in system U (adapted by H. Geuvers to show the inconsistency of Excluded-Middle in impredicative-Set Calculus of Inductive Constructions).""" flags: light-uninstall url { src: "https://github.com/coq-contribs/paradoxes/archive/v8.6.0.tar.gz" checksum: "md5=81f92590650f2ffc80c01661527d21cc" }

- Command
`true`

- Return code
- 0

Dry install with the current Coq version:

- Command
`opam install -y --show-action coq-paradoxes.8.6.0 coq.dev`

- Return code
- 5120
- Output
[NOTE] Package coq is already installed (current version is dev). The following dependencies couldn't be met: - coq-paradoxes -> coq < 8.7~ -> ocaml < 4.05.0 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:

- Command
`opam remove -y coq; opam install -y --show-action --unlock-base coq-paradoxes.8.6.0`

- 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