040000 tree e204d9dc044e6097aa218ff57504effbe81d997c	concept.equiv
040000 tree 413498a650993c01fc7cfb3b3c9c603420104acf	concept.invocable
040000 tree 6e751079ad1446e73545fd71437f1ed5a6bd8cc0	concept.predicate
040000 tree e5a3c42a2303cd5e659c35f73a99c72fe1b9c545	concept.regularinvocable
040000 tree 7e3b2476058e1bb433b70b84f405b22b61fd2610	concept.relation
040000 tree 4862c4c0491e14bf178323adb5cbc072ae48f6c1	concept.strictweakorder