Significance of Four groups
The keyphrase "Four groups" encompasses various classifications across different contexts. In Purana, it pertains to beings that serve in the world and ascend to heaven after their duties. In Mahayana, it describes the categories of shravakas, pratyekabuddhas, bodhisattvas, and Buddhas. In Theravada, it organizes eighteen types of rootless consciousness based on mental states. Additionally, in scientific contexts, it refers to patient cohorts in studies and the categorization of pteridophytes into four main types.
Synonyms: Four categories, Four divisions, Four sections, Tetrad
In Dutch: Vier groepen; In Finnish: Neljä ryhmää; In Spanish: Cuatro grupos; In German: Vier Gruppen
The below excerpts are indicatory and do represent direct quotations or translations. It is your responsibility to fact check each reference.
Buddhist concept of 'Four groups'
The "Four groups" in Buddhism categorizes practitioners into shravakas, pratyekabuddhas, bodhisattvas, and Buddhas, as well as organizes eighteen types of rootless consciousness, focusing on the diversity of mental states within Buddhist philosophy.
From: A Manual of Abhidhamma
(1) The categorical organization of the eighteen types of rootless consciousness based on numerical considerations of mental states.[1]
From: Maha Prajnaparamita Sastra
(1) The four distinct categories occupied by shravakas, pratyekabuddhas, bodhisattvas, and Buddhas.[2]
The concept of Four groups in scientific sources
The keyphrase "Four groups" pertains to two classifications: (1) the four main groups of pteridophytes—Psilophyta, Lycophyta, Sphenophyta, and Pterophyta, and (2) the categorization of patients into cohorts A, B, C, and D for research purposes.
From: The Malaysian Journal of Medical Sciences
(1) Refers to the classification of patients into four distinct categories based on their mode of hyperglycemic therapy.[3]