040000 tree f3ef1dd99549d09de54a94100aa8f25568452c71	concept.equiv
040000 tree 8885f14ab8a0c809246db1519f5a59c511c8c846	concept.invocable
040000 tree 95a01e43fb8ea7e4d04442b6ddd327112e17f54b	concept.predicate
040000 tree 997f7642cadf1d3afbca8c4326022a8046895cc2	concept.regularinvocable
040000 tree 086ce5081a59abff664652cad104fd4f1fc325e3	concept.relation
040000 tree dcea09ed4b6ce991d5ca54c749d8d8b59127f6d6	concept.strictweakorder