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Exercise Five: 5.1 - 5.2 - 5.3 - 5.4  
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Exercise 5.1

 

1

Can the "xj rule be applied in the following cases? If it can, what would the result be?
  (i)

Gb
"x[Fx®Rxx

  (ii)

Gb
"x[Fx®Rxa

  (iii)

$xFx
"x"yRx

  (iv)

["xFxÙ$yRy]
Ga

  (v)

$x"y[Fa®Gxy]

  (vi)

¬¬"y$x[Fa®Gxy]

  (vii)

"y$x[[Fx®Gxy]ÙRay]

  (viii)              

 

 

 

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