Kant, his classification of judgments, [81]; his doctrine of modality, [86]; 544 [91], 2; [104] n. ; [106]; on the figures of the syllogism, [327] n. ; on the mixed hypothetical syllogism, [354], 5.
Ladd Franklin, Mrs, on negative terms, [60] n. ; [142] n. ; [147] n. ; on the import of propositions, [179] n. ; on the existential import of propositions, [218] n. ; [231] n., [241] n., [242] n. ; [323] n. ; on the antilogism, [332]; [510] n.
Lambert, J. H., his diagrammatic scheme, [163]–6, [174]–6; on the uses of the different syllogistic figures, [316], 7; [326] n. ; on dicta for the different figures, [337] n., [338]; application of his diagrammatic scheme to syllogistic reasonings, [344], 5.
Language as the instrument of thought, [3]–5.
Laws of Thought, [147]; [450], 1; law of identity, [451]–4; law of contradiction, [454]–8; law of excluded middle, [458]–63; are the laws of thought also laws of things, [463], 4; their mutual relations, [464]; how far they establish immediate inferences, [464]–6; mediate inferences, [466], 7.
Lewis Carroll, Game of Logic, [219] n.
Liar, Sophism of the, [457], 8.
Limitative Proposition, [106].
Limited Identities, [192].