Philosophy Lexicon of Arguments

Cartesianism: (goes back to René Descartes) the thesis that we must distinguish between extended entities (bodies, matter, res extensa) and unextended entities (spirit, soul). See also Dualism.
Author Item Excerpt Meta data

Books on Amazon
I 6
Cartesianism/Dualism/Boer: a dualist might say that some things are localized in time, but not in space.

Theorem (T1): follows from (P ^) and (D1)

(T1) Everything that participates in the world exists.

(D1) Definition "X participates/participation in the world": If X is an individual, then it exists localized in the space time, if X is a proposition, it exists and is true. If X is a state, it exists and persists. If X is a property or relation, then it exists and is exemplified. If X is an event, then it exists and X occurs.

Non-actuality/Boer: would say that non-existent things can no longer participate in the world, as unexamplified properties.

Therefore (D1) can be accepted by actualists as well as by non-actualists.
The converse of (T1) is controversial:
Tolerant actualismVs(T1).

Boer I
Steven E. Boer
Thought-Contents: On the Ontology of Belief and the Semantics of Belief Attribution (Philosophical Studies Series) New York 2010

Boer II
Steven E. Boer
Knowing Who Cambridge 1986

> Counter arguments against Boer
> Counter arguments in relation to Cartesianism

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Ed. Martin Schulz, access date 2017-05-26