Either you do your homework or you don't.
If you do you will most likely pass the class.
If you don't it will be much harder to pass the class.
So, it will be either easy or difficult for you to pass the class. 

The soul is either immortal or it is mortal. The soul is not immortal.  Therefore it is mortal. 

Either the next Olympics will be held in Atlanta, Georgia or in Athens, Greece.
It won't be held in Athens, Greece.
It will be held in Atlanta, Georgia.

Either God exists or God does not exist.
If God exists, I have everything to gain by believing in Him.
And if God does not exist, I have nothing to lose by believing in Him.
Therefore, I have everything to gain or nothing to lose by believing in Him. 

If you study other cultures, then you realize the variety of human customs.
If you realize the variety of human customs, then you question your own customs.
Therefore, if you study other cultures, then you question your own customs. 

If our galaxy has millions of habitable planets, then it seems likely that life has evolved on more than just this one. 
Our galaxy has millions of habitable planets. 
Therefore, it seems likely that life has evolved on more than just this one. 

If Yankees win today's game, they will be champions.
Yankees win today's game.
Yankees are champions. 

She might be in the library or she is reading book.
She is not in the library.
Therefore, she is reading book.

If the weather is good, we can go to the beach.
The weather is good.
 We can go to the beach. 

If I do not wake up, then I cannot go to work.
If I cannot go to work, then I will not get paid.
Therefore, if I do not wake up, then I will not get paid.

If Trump becomes president then I will eat MacDonald's everyday.
If I eat MacDonald's everyday I will become obese.
Therefore if Trump becomes president I will become obese. 

We can either run or stay. 
If we run we will survive. 
If we stay we will die. 
Therefore, we will either survive or die. 

Either he is a criminal or he is a non-criminal.
He is not a  criminal.
Therefore, he is a non-criminal.

Either the breach is a safety violation, or it is not subject to fines.
The breach is not a safety violation.
Therefore, it is not subject to fines.

Either we say John's baptism was from heaven or that it was from men.
If we say it was from heaven, we will be blamed for not believing him.
If we say it was from men, we will be stoned for insulting the popular belief in him. 

If today is Tuesday, then John will go to work.
Today is Tuesday.
Therefore, John will go to work.

If we are the first country to set foot on mars we will rule the world. 
If we rule the world there will be no more problems. 
Therefore, if we are the first country to set foot on mars there will be no more problems.

If I am the ax murderer, then I can use an ax.
I cannot use an ax. 
Therefore, I am not the ax murderer.

Either the flag is white or it is red.
The flag is not white.
Therefore, it is red.

Either we go to the circus or we go skating.
If we go to the circus, then we'll have a blast.
If we go skating we'll have a blast.
Therefore, we will have a blast. 

This punch contains either lemon or lime.
If this punch contains lemon, then Vince will like it, and if this punch contains lime, then Steve will like it.
Therefore, either Vince or Steve will like it.

If I get good grades my dad will buy me a car.
If I have a car the girls will like me.
Therefore, if I get good grades the girls will like me. 

If the leaves fall then it is autumn.
If it is autumn thanksgiving is coming.
Therefore, if the leaves are falling thanksgiving is coming. 

If the watch-dog detects an intruder, the watch-dog will bark.
The watch-dog did not bark.
Therefore, no intruder was detected by the watch-dog.

If the dog did not know the visitor well, then the dog would have barked.
The dog did not bark.
Therefore, the dog knew the visitor well. 

Either we progress by improving morals, or we hope for progress by improving intelligence.
We can't hope for progress by improving morals.
Therefore, we must hope for progress by improving intelligence. 

If Casey is a dog, then Casey has four legs.
Casey does not have four legs.
Therefore, Casey is not a dog.

If you have a master's degree in communication you are supposed to be a good speaker.
If you are a good speaker you will have success in this life.
If you have a master's degree in communication you will have success in this life.