{
    "schema": "prokopton42-public-passage-v1",
    "id": "sextus_empiricus.against_professors",
    "canonical_url": "https://prokopton42.com/en/works/sextus-empiricus/against-professors/livre-6/passage-45/",
    "language": "en",
    "title": "Against the Professors, Books I-VI of Against the Learned",
    "author": "Sextus Empiricus",
    "date": "c. 180-220 CE",
    "summary": "The first six books of Against the Learned examine grammar, rhetoric, geometry, arithmetic, astrology, and music. Sextus targets these disciplines’ theoretical claims while sometimes distinguishing useful practices from disputed dogmatic foundations.",
    "learning": "Identify the target within each discipline, distinguish empirical use from dogmatic foundation, and compare recurring structures of sceptical refutation.",
    "long_summary": "Each book asks what a discipline teaches, how its principles are established, and whether its experts agree. Circular definitions, indeterminate units, proofs depending on what they must demonstrate, and conflicts of method feed criticism.\n\nThe grouping follows a transmitted series, not six independent modern monographs. Sextus does not necessarily abolish everyday reading, calculation, or musical practice; he attacks the status of certain science claimed by theorists. This distinction prevents confusing scepticism with wholesale rejection of skill.",
    "historical_context": "The corpus manifests do not yet establish the precise place and circumstances of composition. The images below document the author’s world or the text’s transmission. They do not claim to show the exact scene of writing.",
    "material_world_label": "Roman world, 1st century BCE to 3rd century CE",
    "material_world": {
        "technology": "Paved roads, aqueducts, concrete, glassware, mills, and hypocaust heating equip some cities, but energy comes mainly from bodies, animals, water, and wood.",
        "science": "Astronomy, geometry, natural history, and engineering compile Greek, Egyptian, and Roman knowledge. Measurement exists without a modern laboratory.",
        "medicine": "Physicians, midwives, baths, plants, and rudimentary surgery can help; reliable anaesthesia, antisepsis, and antibiotics do not exist.",
        "transport": "On foot, horseback, cart, or ship, road and sea networks connect the Empire. Travel remains slow, costly, and risky.",
        "agriculture": "Grain, vines, olives, pulses, and livestock supply cities and armies; estates, slavery, and tenancy organize part of the labour.",
        "communication": "Imperial couriers, letters on papyrus or tablets, inscriptions, and oral proclamations spread information. Everything is copied by hand.",
        "clothing": "Tunics and cloaks are common to both sexes; the stola, toga, footwear, colours, and jewellery mark citizenship, office, wealth, and origin."
    },
    "material_world_scenes": [
        {
            "asset": "/assets/timeline/landmarks/09-54-ce/world-01.webp",
            "title": "Technology, science, and care",
            "description": "Paved roads, aqueducts, concrete, glassware, mills, and hypocaust heating equip some cities, but energy comes mainly from bodies, animals, water, and wood. Astronomy, geometry, natural history, and engineering compile Greek, Egyptian, and Roman knowledge. Measurement exists without a modern laboratory. Physicians, midwives, baths, plants, and rudimentary surgery can help; reliable anaesthesia, antisepsis, and antibiotics do not exist."
        },
        {
            "asset": "/assets/timeline/landmarks/09-54-ce/world-02.webp",
            "title": "Travel and communication",
            "description": "On foot, horseback, cart, or ship, road and sea networks connect the Empire. Travel remains slow, costly, and risky. Imperial couriers, letters on papyrus or tablets, inscriptions, and oral proclamations spread information. Everything is copied by hand."
        },
        {
            "asset": "/assets/timeline/landmarks/09-54-ce/world-03.webp",
            "title": "Farming and food",
            "description": "Grain, vines, olives, pulses, and livestock supply cities and armies; estates, slavery, and tenancy organize part of the labour."
        },
        {
            "asset": "/assets/timeline/landmarks/09-54-ce/world-04.webp",
            "title": "Clothing, women and men",
            "description": "Tunics and cloaks are common to both sexes; the stola, toga, footwear, colours, and jewellery mark citizenship, office, wealth, and origin."
        }
    ],
    "intellectual_tradition": {
        "id": "skepticism",
        "label": "Skepticism"
    },
    "period": {
        "id": "ancient",
        "label": "Antiquity"
    },
    "languages": [
        "grc",
        "en",
        "fr"
    ],
    "manifestations": [
        {
            "coverage": "complete",
            "file": "data/corpus/normalized/sextus_empiricus/against_professors/representations/grc.ndjson",
            "language": "grc",
            "records": 757,
            "role": "original",
            "sha256": "818f3e6ecf013da581f8c7812e4271b9f5c784541c906db4e52c6be6908355dd",
            "source_id": "adversus-grc"
        },
        {
            "coverage": "complete",
            "file": "data/corpus/normalized/sextus_empiricus/against_professors/representations/ai-generated/en-gpt-5-6-sol-corpus-passage-translation-v1.ndjson",
            "generated_on": "2026-09-11",
            "language": "en",
            "model": "gpt-5.6-sol",
            "official_status": "non_official",
            "prompt_version": "corpus-passage-translation-v1",
            "provider": "codex_subscription",
            "records": 757,
            "role": "ai_generated_translation_non_official",
            "sha256": "39ee6e31d53e5d9eb8449fd11932023e1b0513ebf336c2c7a2e1c3c198e92ec0",
            "source_id": "prokopton42-codex-translation:gpt-5.6-sol:corpus-passage-translation-v1",
            "translation_type": "ai_generated_translation"
        },
        {
            "coverage": "complete",
            "file": "data/corpus/normalized/sextus_empiricus/against_professors/representations/ai-generated/fr-gpt-5-6-sol-corpus-passage-translation-v1.ndjson",
            "generated_on": "2026-09-11",
            "language": "fr",
            "model": "gpt-5.6-sol",
            "official_status": "non_official",
            "prompt_version": "corpus-passage-translation-v1",
            "provider": "codex_subscription",
            "records": 757,
            "role": "ai_generated_translation_non_official",
            "sha256": "91112d9c16fea68ee4fb7a5428f9312148d31fc2d51b920fe80a6aaa5bf5f305",
            "source_id": "prokopton42-codex-translation:gpt-5.6-sol:corpus-passage-translation-v1",
            "translation_type": "ai_generated_translation"
        }
    ],
    "concepts": [
        {
            "id": "equipollence",
            "label": "Equipollence"
        },
        {
            "id": "knowledge",
            "label": "Knowledge"
        },
        {
            "id": "reason",
            "label": "Reason"
        },
        {
            "id": "suspension_of_judgment",
            "label": "Suspension of judgment"
        }
    ],
    "source_work_ids": [
        "sextus_empiricus.against_professors"
    ],
    "passages": 757,
    "word_count": 50554,
    "word_counts_by_language": {
        "en": 50554,
        "fr": 51515,
        "grc": 43471
    },
    "editorial_status": "gpt_5_6_semantic_draft_v1",
    "structure": {
        "citation_scheme": "sextus-book-section-v1",
        "kind": "native",
        "levels": [
            {
                "key": "book",
                "label_fr": "Livre",
                "label_en": "Book"
            },
            {
                "key": "section",
                "label_fr": "Section",
                "label_en": "Section"
            }
        ],
        "leaf_fr": "Section",
        "leaf_en": "Section"
    },
    "canonical_passage_id": "passage:sextus_empiricus.against_professors:6.45",
    "canonical_ref": "6.45",
    "canonical_parent_ref": null,
    "canonical_parent_id": null,
    "representations": [
        {
            "language": "grc",
            "text": "περιγράφεται δέ τινα πρὸς τούτων διαστήματα, καθʼ ὁ καὶ ἡ φωνὴ κινεῖται ἤτοι ἐπὶ τὸ ὀξύτερον ἀναβαίνουσα ἤ ἐπὶ τὸ βα- ρύτερον ἀνιεμένη. παρʼ ἣν αἰτίαν κατὰ τὸ ἀνάλογον τῶν διαστημάτων τούτων τὰ μέν σύμφωνα τὰ δὲ διάφωνα προσηγόρευται,",
            "translator": "Hermann Mutschmann and Jürgen Mau, editors",
            "edition": "adversus-grc",
            "source_id": "adversus-grc",
            "translation_type": "original"
        },
        {
            "language": "en",
            "text": "They also define certain intervals according to which the voice moves, either ascending toward the higher or relaxing toward the lower. For this reason, by analogy with the notes, some of these intervals are called consonant and others dissonant.",
            "translator": "Codex gpt-5.6-sol",
            "edition": "Prokopton42 non-official AI translation, 2026-09-11",
            "source_id": "prokopton42-codex-translation:gpt-5.6-sol:corpus-passage-translation-v1",
            "translation_type": "ai_generated_translation",
            "official_status": "non_official",
            "generation_model": "gpt-5.6-sol"
        },
        {
            "language": "fr",
            "text": "Ils délimitent en outre certains intervalles suivant lesquels la voix se meut, soit en montant vers l’aigu, soit en se relâchant vers le grave. Pour cette raison, selon une analogie avec ces intervalles, certains sont appelés consonants et d’autres dissonants.",
            "translator": "Codex gpt-5.6-sol",
            "edition": "Prokopton42 non-official AI translation, 2026-09-11",
            "source_id": "prokopton42-codex-translation:gpt-5.6-sol:corpus-passage-translation-v1",
            "translation_type": "ai_generated_translation",
            "official_status": "non_official",
            "generation_model": "gpt-5.6-sol"
        }
    ],
    "content_checksum": "9ba31e7301cdf0f247d3e3b859d8e79f48677d29db18a899b53a8a2186e1c30e"
}