As is well-known, the doctrine of Three Dharma-cakra doctrine in
Sa?dhinirmocana-s?tra tells that both Praj??-p?ramit?-s?tra of Second
Dharma-cakra and Sa?dhinirmocana-s?tra of Third Dharma-cakra have preached
Emptiness (??nyat?) as their common theme. On what horizon Buddha declaired
these two s?tras tell the same message, Emptiness or Characterness (無相)? As
annotator on Sa?dhinirmocana-s?tra believed to be spoken by Buddha himself,
Woncheuk (圓測 613-696; Ch. Yuance) tried to answer this question, and
looked to so-called Non-Being (??nya) and Being (bh?va) Controversy between
Bh?vaviveka (490-570) and Dharmap?la (530-561) focused on the meaning of
Characterness. Noticing on this fact, in this paper I tried to illuminate his logic
of reconcile on controversy between M?dhyamika and Yogac?ra thinkers.
As a disciple of the Dharmap?la lineage thoughts of the Mind-Only School
of Buddhism as transmitted by Xuanzang (玄? 600(or 602)-664), he tried to
reconcile these two by positing Dharmap?la conditionally including
Bh?vaviveka's logic of Characterness as a Middle Way thinker 'neither attaching
to Being nor Non-Being' (非空非有) in terms of quoting passages from
Jiaojiedizi pin (敎誡弟子品, Chapter on Instructions and Admonitions to
Disciples) in Dachengguangbailunshi lun (大乘廣百論釋論, Commentary on
?ryadeva's Catu??ataka) of Dharmap?la as its canonical evidences. His logic of
reconcile is Two Truth (二諦) and Middle Way (中道). 'From the viewpoint of
Ultimate Truth' Woncheuk negated paratantra phenemena misconceived as a kind
of substance by the Disciples of Yocacarabh?mi (瑜伽學徒), 'from the
viewpoint of Conventional Truth' appreciated the existence of it as the basis of
Cultivations and Enlightenment, and finally concluded that negative logic of the
former and affirmative language of the latter is not contradictory. In addition,
he exposed that logic of Two Truth and Middle Way is also his own
hermeutical framework of interpreting the continuoity and identity between such
early M?dhyamika thinkers as N?g?rjuna, ?ryadeva etc. and such main
Yogac?ra thinkers as Maitreya, Asa?ga, Vasubandhu etc.