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commit 002cbd675f5a01d77a91da9fec2a028d16208294
parent 385133318fc14b55803d0f65c52ab32718a2de8f
Author: Antoine Amarilli <a3nm@a3nm.net>
Date:   Mon, 26 May 2025 17:30:03 +0200

commit with codex

Diffstat:
definability_problem | 9+++++++++
synthetic_witness | 2+-
2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/definability_problem b/definability_problem @@ -0,0 +1,9 @@ +# Definability problem + +For a [query_class] C, given a [database] D and set of [query_answers] a, decide if there is a [query] Q in C such that Q(D) = a + +See also: [synthetic_witness], [Logical_separability] + +Up: [database_theory] + +Aliases: query definability diff --git a/synthetic_witness b/synthetic_witness @@ -6,6 +6,6 @@ Given a [query] Q and [query_answer] A, a *synthetic witness* is a [database] D - [synthetic_witness_existence] - [minimal_synthetic_witness] -See also: [minimal_witness] +See also: [minimal_witness], [definability_problem] Up: [database_theory]