大般涅槃經集解 40.4

40.4

案僧亮曰：不名世間者，不名佛法中在家人也。不名非世間者，不名信根以上人也。

Sengliang states: 'Neither called mundane' means that one is not called a householder within the Buddha's Dharma. 'Nor called supramundane' means that one is not called a person at or above the faculty of faith.