1. Everything that is beyond your perception is unknown.
2. You know you are perceiving a computer screen.
Therefore the computer screem is known within your perception of it.
1. The computer is known within your perception of it.
2. Things that are real exist beyond our perceptions of them
Therefore, if computer screen is real it exists beyond your perceptions of it.
1. If the computer screen is real it exists beyond your perceptions of it
2. Things that are beyond your perception are unknown
Therefore, whether the computer screen is real is unknown.
1. Whether the computer screen is real is unknown
2. Belief is defined as confidence in something not susceptible to rigourouse proof; confidence in the unknown.
Therefore, if you are confident the computer screen is real, you believe it is real. (You do not "know" it is real, we have already established that we can't know if things are are, because by definition if they are real they exist beyond perception, and things that are beyond perception are unknown)
2. You know you are perceiving a computer screen.
Therefore the computer screem is known within your perception of it.
1. The computer is known within your perception of it.
2. Things that are real exist beyond our perceptions of them
Therefore, if computer screen is real it exists beyond your perceptions of it.
1. If the computer screen is real it exists beyond your perceptions of it
2. Things that are beyond your perception are unknown
Therefore, whether the computer screen is real is unknown.
1. Whether the computer screen is real is unknown
2. Belief is defined as confidence in something not susceptible to rigourouse proof; confidence in the unknown.
Therefore, if you are confident the computer screen is real, you believe it is real. (You do not "know" it is real, we have already established that we can't know if things are are, because by definition if they are real they exist beyond perception, and things that are beyond perception are unknown)