### Abstract

Paul Oppenheimer and Edward Zalta's formalisation of Anselm's ontological argument for the existence of God is automated by embedding a free logic for definite descriptions within Isabelle/HOL.

### License

BSD License

### Topics

- Logic/Philosophical aspects

### Session AnselmGod

- AnselmGod

## Cite

×

AnselmGod-AFP

    @article{AnselmGod-AFP,
      author  = {Ben Blumson},
      title   = {Anselm's God in Isabelle/HOL},
      journal = {Archive of Formal Proofs},
      month   = {September},
      year    = {2017},
      note    = {\url{https://isa-afp.org/entries/AnselmGod.html},
                 Formal proof development},
      ISSN    = {2150-914x},
    }

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Older releases:

- Sep 13, 2023 : Isabelle2023
- Oct 27, 2022 : Isabelle2022
- Dec 14, 2021 : Isabelle2021-1
- Feb 23, 2021 : Isabelle2021
- Apr 18, 2020 : Isabelle2020
- Jun 11, 2019 : Isabelle2019
- Aug 16, 2018 : Isabelle2018
- Oct 10, 2017 : Isabelle2017
- Sep 18, 2017 : Isabelle2016-1
- Sep 11, 2017 : Isabelle2016-1
- Sep 8, 2017 : Isabelle2016-1