Fourteen non-concurrent formations 十四種不相應行

Fourteen non-concurrent formations (Wyl. ldan min 'du byed bcu bzhi) mentioned in Vasubandhu's Treasury of Abhidharma世親論師《阿毘達磨俱舍論》:

1. acquisition (thob pa)
2. dispossession (ma thob pa)
3. same status or similar class (skal mnyam/ris mthun)
4. perceptionless absorption ('du shes med pa'i snyoms 'jug)
5. perceptionlessness
6. absorption of cessation ('gog pa'i snyoms 'jug)
7. life faculty (srog gi dbang po)
8. birth (skye ba)
9. abiding (gnas pa)
10. aging (rga ba)
11. impermanence (mi rtag pa)
12. names (ming gi tshogs)
13. words/phrases (tshig gi tshogs)
14. letters (yi ge'i tshogs)

Note that there are an additional ten non-concurrent formations mentioned in Asanga's Compendium of Abhidharma

《大乘廣五蘊論講記》：「云何心不相應行？謂依色、心等分位假立，謂此與彼不可施設異、不異性。此復云何？謂得、無想定、滅盡定、無想天、命根、眾同分、生、老、住、無常、名身、句身、文身、異生性，如是等。」參見：https://yinshun-edu.org.tw/zh-hant/book/export/html/3814

無著論師《阿毘達磨集論》則說有二十四種：一得，二命根，三眾同分，四異生性，五無想定，六滅盡定，七無想報，八名身，九句身，十文身，十一生，十二住，十三老，十四無常，十五流轉，十六定異，十七相應，十八勢速，十九次第，二十時，二十一方，二十二數，二十三和合性，二十四不和合性。參見：http://www.minlun.org.tw/3pt/3pt-1-14/20.htm