{"query": "An Investigation of the Laws of Thought On which are founded", "count": 20, "results": [{"id": "card_src_book_15114", "title": "An Investigation of the Laws of Thought On which are founded the mathematical theories of logic and probabilities — George Boole", "shelf": "gutenberg", "surface": "secular", "snippet": "An Investigation of the Laws of Thought On which are founded the mathematical theories of logic and probabilities, by George Boole. 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From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_cs_logic_gates", "title": "Logic gates — the 16 functions of two inputs", "shelf": "codex", "surface": "secular", "snippet": "Of two inputs there are exactly 2^(2^2) = 16 Boolean functions (sealed) - AND, OR, XOR, NAND and the rest; NAND alone builds them all. From gates come adders, memory and processors. All computation is", "authority_tier": "engine_derived", "source": "Narrow Highway — computer science", "readable": false, "generated": false}, {"id": "card_src_fed_milmanual_mcrp_4_11_8b_war_crimes_investigation", "title": "MCRP 4-11.8B War Crimes Investigation", "shelf": "practical", "surface": "secular", "snippet": "MCRP 4-11.8B War Crimes Investigation. A United States federal publication, public domain (17 USC 105). 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