[20] Whatever phenomena (dhammā) are mentality (nāma), do all those have mentality as root (nāmamūlaka)?
Rootless (ahetuka) mentality does not have mentality as root; mentality with roots (sahetuka) has mentality as root.
Or rather, whatever phenomena have mentality as root, are all those phenomena mentality?
Form originated by mentality (nāmasamuṭṭhāna) has mentality as root but is not mentality; mentality both has mentality as root and is mentality.
Whatever phenomena are mentality, do all those have one root in common with the mentality-root (nāmamūlena ekamūlaka)?
Rootless mentality does not have one root in common with the mentality-root; mentality with roots has one root in common with the mentality-root.
Or rather, whatever phenomena have one root in common with the mentality-root, are all those phenomena mentality?
Form originated by mentality has one root in common with the mentality-root but is not mentality; mentality both has one root in common with the mentality-root and is mentality.
Whatever phenomena have one root in common with the mentality-root, are all those mutually rooted with the mentality-root (nāmamūlena aññamaññamūlaka)?
Those roots which arise together as mentality-roots both have one root in common and are mutually rooted; the remaining phenomena conascent (sahajāta) with the mentality-root have one root in common with the mentality-root but are not mutually rooted.
Or rather, whatever phenomena are mutually rooted with the mentality-root, are all those phenomena mentality?
Yes (āmantā).
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.