Overview

Check complete dependent Pi/lambda/application/let terms and definitional conversion in an explicitly bounded Lean-style universe core.

Protocol x402 (POST)
Price $0.0030
Payment Asset USD Coin
Payment Network eip155:8453
Category crypto/defi
Provider detect
Source bazaar
Indexed 2026-11-02 17:26:09

Health

Status unknown
Latency (p50) —
Uptime (30d) —
Reliability Score —
Last Checked Never
Last Healthy Never
Consecutive Failures 0

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Input Schema

{ "body": { "artifact": { "dependentKernel": { "claim": null, "data": { "expected_type": { "codomain": { "codomain": { "index": 1, "op": "bound" }, "domain": { "index": 0, "op": "bound" }, "op": "pi" }, "domain": { "level": 1, "op": "sort" }, "op": "pi" }, "term": { "body": { "body": { "index": 0, "op": "bound" }, "domain": { "index": 0, "op": "bound" }, "op": "lambda" }, "domain": { "level": 1, "op": "sort" }, "op": "lambda" } } } } }, "bodyType": "json", "method": "POST", "type": "http" }

Output Schema

{ "example": { "billable": true, "findings": [ { "confidence": 1, "evidence": [ { "page_indices": [], "page_url": null, "pattern": "lean4-predicative-sort-pi-lambda-let-dependent-kernel-typing-conversion_scoped_evidence", "type": "artifact" } ], "limits": [ "Lean4.19 original kernel sort/Pi/lambda/application/let typing and definitional equality; predicative non-cumulative fragment." ], "module": "lean4-predicative-sort-pi-lambda-let-dependent-kernel-typing-conversion", "state": "observed", "value": { "claim_matches": false, "computed": { "expected_type_well_formed": true, "has_expected_type": true, "inferred_type": { "codomain": { "codomain": { "index": 1, "op": "bound" }, "domain": { "index": 0, "op": "bound" }, "op": "pi" }, "domain": { "level": 1, "op": "sort" }, "op": "pi" }, "well_typed": true } }, "warnings": [] } ], "known_count": 1, "scope": { "contact_values_returned": false, "network": false, "supplied_artifact_only": true }, "warnings": [] }, "type": "json" }