diff --git a/elements/neuron/appunti/2026-06-26-logic-principles-of-the-expression.md b/elements/neuron/appunti/old/2026-06-26-logic-principles-of-the-expression.md
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rename from elements/neuron/appunti/2026-06-26-logic-principles-of-the-expression.md
rename to elements/neuron/appunti/old/2026-06-26-logic-principles-of-the-expression.md