LeaTTa: a machine-checked operational semantics and metatheory of MeTTa in Lean 4, with a Verso book.
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Updated
Jun 22, 2026 - Lean
LeaTTa: a machine-checked operational semantics and metatheory of MeTTa in Lean 4, with a Verso book.
Deontic Task Orchestrator for OmegaClaw. Has defeasible event calculus, deontic and temporal reasoning, and agent verifiable work system
OpenCog Hyperon MeTTa — 7 guided demos of the MeTTa language (successor to OpenCog Atomese). Taxonomy, combinators, types, reasoning, state, spaces, grounded functions. Built on hyperon-experimental.
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