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PLN for Hyperon

Description

Port of Probabilistic Logic Networs (PLN) for Hyperon/MeTTa.

Prerequisites

Usage

The port is approached from different angles which are

  • Proofs as match queries
  • Proofs as custom Atom structure
  • Proofs as programs, and properties as dependent types

PLN via Dependent Types

The most advanced approach for now is via dependent types and can be found under

metta/dependent-types

The following examples can be run

metta metta/dependent-types/DeductionDTLTest.metta
metta metta/dependent-types/ImplicationDirectIntroductionDTLTest.metta
metta metta/dependent-types/DeductionImplicationDirectIntroductionDTLTest.metta

Synthesizer

The dependent type approach relies on a generic program synthesizer that can be found under

metta/synthesis

More information can be found in the README.md file under that directory.

Docker

A docker image containing a pre-installed version of Hyperon and PLN is hosted on Docker Hub and can be run as follows:

docker run --rm -ti trueagi/pln

Additionally, a Dockerfile to build and update that image is present under the root folder of that repository. To build the image from that local file, one may invoke the following command:

docker build -t trueagi/pln .

Or, using the URL of that Dockerfile:

docker build -t trueagi/pln https://raw.githubusercontent.com/trueagi-io/hyperon-pln/main/Dockerfile

Idris

There is also some Idris code under the idris folder to prototype some aspect of the dependent types port. This is sometimes easier because Idris is more mature than MeTTa. The minimum requirement is Idris2 version 0.5.1.

References

Below is a list of references to know more about PLN and its port to Hyperon/MeTTa:

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Hyperon port of PLN

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  • Idris 74.0%
  • Shell 22.9%
  • Dockerfile 3.1%