@5 aṅa. catukka. 21/200/239 (syā) 6 vi. mahāvi. 1/1/1 Akatvā "ekaṃ samayan"ti accantasaṃyogatthe upayogavacanena niddeso kato"ti. Tattha tathā, idha ca aññathā atthasambhavato. Tattha hi abhidhamme ito aññesu ca suttantesu ādhāravisayasaṅkhāto adhikaraṇattho kiriyāya kiriyantaralakkhaṇasaṅkhāto bhāvenabhāvalakkhaṇattho ca sambhavatīti. Adhikaraṇaṃ hi kālattho samūhattho ca samayo tattha vuttānaṃ phassādidhammānaṃ, tathā kālo sabhāvadhammappavattimattatāya paramatthato avijjamānopi ādhārabhāvena paññāto taṃkhaṇappavattānaṃ tato pubbe parato ca abhāvato yathā "pubbaṇhe jāto sāyaṇhe jāto"tiādīsu. Samūhotipi avayavavinimutto paramatthato avijjamānopi kappanāmattasiddhena rūpena avayavānaṃ ādhārabhāvena paññāpiyati yathā "rukkhe sākhā, yavo yavarāsimhi samuṭṭhito"tiādīsu. Yasmiṃ kāle dhammapuñje ca kāmāvacaraṃ kusalaṃ cittaṃ uppannaṃ hoti, tasmiṃyeva kāle dhammapuñje ca phassādayopi hontīti ayaṃ hi tattha attho. Tathā khaṇasamavāyahetusaṅkhātassa samayassa bhāvena tattha vuttānaṃ phassādidhammānaṃ bhāvo lakkhīyati. Yathā hi "gāvīsu duyhamānāsu gato, duddhāsu āgato"ti ettha gāvīnaṃ dohanakiriyāya gamanakiriyā lakkhīyati, evaṃ idhāpi yasmiṃ samayeti vutte ca padamatthassa sattā virahābhāvato satīti ayamattho viññāyamāno eva hotīti samayassa sattākiriyāya cittassa uppādakiriyā phassādīnaṃ bhavanakiriyā ca lakkhīyati. Tathā yasmiṃ samaye yasmiṃ navame khaṇe yasmiṃ yonisomanasikārādihetumhi paccayasamavāye vā sati kāmāvacaraṃ kusalaṃ cittaṃ uppannaṃ hoti, tasmiṃ samaye khaṇe hetumhi paccayasamavāye ca phassādayopi hontīti. Tasmā tadatthajotanatthaṃ bhummavacanena niddeso kato.

Vinaye ca "annena vasati, ajjhenena vasatī"tiādīsu viya hetuattho, "pharasunā chindati, kudālena khaṇatī"tiādīsu viya karaṇattho ca sambhavati. Yo hi