> as lemmas

1868 N. Porter Human Intellect iii. i. 380 The concept, the class, the argument, the inference, the reason, the system, are not individual entities existing permanently in the world of matter or spirit, but thought-entities, created by and existing for the intellect that thinks them into being.

1892 Monist 2 265 If a philosophy denies the existence of transcendentalistic thought-entities or of any such things in themselves, which serve as cement to combine the disjecta membra of their world conception, it is generally declared to lead straight on to nihilism.

1949 Mind 58 340 There is present, in addition to the imagery, an entity of another kind, a thought-entity.

2000 P. Millican in A. Hastings et al. Oxf. Compan. Christian Thought 500/1 More specifically logical objections include the argument's slide from the thought-properties of an entity to the existence of a thought-entity with those properties.