3p36cd.md (298B)
1 For, in so far as he finds some circumstance to be 2 missing, he conceives something which excludes its existence. As 3 he is assumed to be desirous for love's sake of that thing or 4 circumstance (by the last Prop.), he will, in so far as he 5 conceives it to be missing, feel pain (III. xix.). Q.E.D. 6 7