In exercise, reorder the premises in each of the arguments to show that the conclusion fol...

In exercise, reorder the premises in each of the arguments to show that the conclusion follows as a valid consequence from the premises. It may be helpful to rewrite the statements in if-then form and replace some statements by their contrapositives. Exercise are adapted from Symbolic Logic by Lewis Carroll.*

Exercise

1. When I work a logic example without grumbling, you may be sure it is one I understand.

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2. The arguments in these examples are not arranged in regular order like the ones I am used to.

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3. No easy examples make my head ache.

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4. I can’t understand examples if the arguments are not arranged in regular order like the ones I am used to.

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5. I never grumble at an example unless it gives me a headache.

∴ These examples are not easy.