040000 tree 653571d117454cdece8659c80071d4b6dc07cbae	concept.equiv
040000 tree 413498a650993c01fc7cfb3b3c9c603420104acf	concept.invocable
040000 tree 6c767f55b4586e9d6d7ad2bd53dd66b19def2b58	concept.predicate
040000 tree e5a3c42a2303cd5e659c35f73a99c72fe1b9c545	concept.regularinvocable
040000 tree 807f3c6d1e65de4eea0eaacadb198df520bb178b	concept.relation
040000 tree d0111c0c5c125b494cee71f2b547df570f1a8e5a	concept.strictweakorder