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(In particular, if L is L_{\\omega,\\omega}, this means that K is not elementary). We show that the class of neat reducts of every dimension is sensitive to quantifier free predicate logics with infinitary conjunctions; for finite dimensions, we do not need infinite conjunctions."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1304.2931","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.LO","submitted_at":"2013-04-09T06:06:25Z","cross_cats_sorted":[],"title_canon_sha256":"da4a290e3107893b48937c14cadb7e684ace95f1485ccc5706f16d0f2a6dcf2d","abstract_canon_sha256":"2d45aa08980a8720b48824318c811f7da8447166eebf78e91ebafe5f0b7dc7d4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:28:27.924919Z","signature_b64":"leAksSv6jKbORUQi3yzdteETfWa1NbAQbBkHZapBAKctNI6zAy34X+6jE7IMHHu9hcDEyDgO1PNEM9krtENhBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3c801fbf735a7b20708e6d03fb444b1c35a2482c986f4412fe8e1a3304089f9","last_reissued_at":"2026-05-18T03:28:27.924093Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:28:27.924093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Logics to which the class of neat reducts is sensitive to","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.LO","authors_text":"Tarek Sayed Ahmed","submitted_at":"2013-04-09T06:06:25Z","abstract_excerpt":"Let L be a quantifier predicate logic. 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