A Machine-to-Machine Interaction Interface for Lean 4

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Pantograph

An interaction system for Lean 4.

Installation

Install elan and lean4. Then, execute

lake build

In order to use mathlib, its binary must also be built

lake build std
lake build mathlib

The binary must be run inside a lake env environment.

$ lake env build/bin/Pantograph
{"cmd": "create", "payload": {"imports": ["Mathlib.Analysis.Seminorm"]}}
{"cmd": "catalog", "payload": {"id": 0}}

There is temporarily a limit of 500 symbols to prevent stack overflow.