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Tractatus Logico-Philosophicus · Theme

Solipsism and the Subject

How Tractatus Logico-Philosophicus develops Solipsism and the Subject.

The claim that the metaphysical subject does not belong to the world but is a limit of it, and that solipsism, when strictly thought through, coincides with realism.

Where it surfaces

  • 5.5421

    Directly addresses the nature of the subject and the soul, arguing against a composite view.

  • 5.6

    Implies a subjective boundary where the individual's language defines their world, connecting to solipsistic limits.

  • 5.61

    Implicitly touches on the subject's perspective, as the limits of the world are also the limits of logic and thought.

  • 5.62

    Directly addresses solipsism as a truth that shows itself, linking the limits of language to the limits of the world.

  • 5.621

    The identification of world and life implies the subject's world is its life, a key solipsistic idea.

  • 5.63

    The proposition 'I am my world' directly expresses the solipsistic identification of the self with the world, and the subject as the limit.

  • 5.631

    This section directly addresses the non-existence of the thinking subject, showing that the subject is not an entity within the world but a limit.

  • 5.632

    Directly addresses the nature of the subject as a limit, not an element, of the world.

  • 5.633

    The passage directly addresses the metaphysical subject and its relation to the world, emphasizing that the subject is not an object within the world.

  • 5.64

    The chapter directly addresses solipsism, showing that the 'I' reduces to a point and reality remains.

  • 5.641

    The 'I' as metaphysical subject is the limit of the world, not a part of it, resolving solipsism into a transcendental insight.

  • 6.373

    Highlights the boundary between the willing subject and the factual world.