俱舍論記 5.89

5.89

「今二定中至心復得生」者，問。「毘婆沙師至等無間緣」者，此下第一毘婆沙師答。許過去有定前心作等無間緣，能引出定心起。

On [the text reading]: "Now, in the two absorptions ... how does mind come to arise again?": This is the question. On [the text reading]: "The Vaibhāṣikas [say] ... the immediately preceding condition": Below this is the first answer, given by the Vaibhāṣikas. They maintain that the past mind preceding the absorption serves as the immediately preceding condition that can induce the mind emerging from the absorption to arise.