anonymous
  • anonymous
Logic Help! Prove: R 1. S -> ~T (premise) 2. T (premise) 3. ~S -> R (premise)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
have no fear, amistre the logician is here ! :)
amistre64
  • amistre64
(s -> -t) = (-s -> r) prove this?
anonymous
  • anonymous
Prove that R is a true statement

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amistre64
  • amistre64
lol ... first i have to understand the question
anonymous
  • anonymous
what does it mean that everything is a premise ?
anonymous
  • anonymous
That means that they gave us that information in the book, and I have to complete the proof using that information. It's like the "given."
anonymous
  • anonymous
I was asking amistre - what it actually means :)
amistre64
  • amistre64
dunno, i think thats the next chapter in class :)
amistre64
  • amistre64
premise i think means, assume its true
amistre64
  • amistre64
S -> ~T = 1 when S=0 and T = 1, 0; and when S=1 and T=0 T = 1; so S = 0 ~S -> R = 1 -0 -> R = 1 when R = 1
anonymous
  • anonymous
Premise means it is given. It is presumed to be true.
amistre64
  • amistre64
S -> -T 1 -> 0 = 0 1 -> 1 = 1 0 -> 0 = 1 0 -> 1 = 1 T = 1 0 -> 0 = 1 -S -> R 1 -> 0 = 0 1 -> 1 = 1
anonymous
  • anonymous
Thanks. I'll go with this.
amistre64
  • amistre64
i got know idea how to write it out better :)

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