VaggaĀkāsakathā

Abhidhammapiṭaka · Kathāvatthu · Vol. 37 · Section 1107

[1107] "Are there some who make space (ākāsa) into non-space (anākāsa)?" — "Yes." "Are there some who make the unconditioned (asaṅkhata) into the conditioned (saṅkhata)?" — "It should not be said thus." …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.