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our overall conception of consciousness is that it is indeed something we do

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but intentionality is usually only thought of in terms of acts such as walking or speaking

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perception, imagination, and emotion are all intentional

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each instance has a subjectivity and an objectivity

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variations of intentionality reveal the underlying detail of the basic structure of consciousness

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you can vary the subjective pole

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knowing a story behind an object changes the interpretation of that object

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you can vary the objective pole

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alter its shape or texture or color

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any change you make on one pole affects the other

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when you change how you see something, you necessarily change what you see

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when you change what you see, you change how you see it

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intentionality describes the continual correlation between the subject and the object

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like a binary star, the subjective and the objective orbit each other

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movement of one compels movement of the other

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you can't isolate subjectivity outside its intentional context

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nor can you isolate the objective context outside the subjective point of view

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pure subjectivity

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classic thought experiment: the brain in a vat

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the vatted brain would experience the world as a non-vatted brain

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you would experience intentionality as usual

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some subjective angle is always co-present with every intentional object