The reality is that the LDS view of the Fall is very odd. It makes God out to be a sort of trickster. He quite clearly gave Adam and Eve a commandment not to eat from the Tree. LDS then go on to claim that Adam and Eve were not able to have children prior to the Fall (a view not shared by orthodox Christianity), therefore they were in a conundrum: God gave the commandment to be fruitful and multiply, yet they couldn’t in their current state, and therefore had to eat from the Tree, which God said not to eat from, to be able to fulfill the command to be fruitful and multiply. Such a view is found nowhere in ancient Judaism nor Christianity.
I did some some analysis on Genesis, which I summarize below. Genesis is there to support this odd view as you call it. Mormons also believe that God knew man would fall…that was even discussed in the pre-mortal existence in heaven. Jesus Christ volunteered to redeem the sins of mankind after the fall in the meridian of times. The plan existed even before the earth was formed.
First of all we don’t know much time has passed between the creation of Adam and Eve and the fall. It might have been days, months or maybe years. They were innocent before the fall. They never noticed that they were naked, which implies they could not have desire for each other and consequently children. After eating of the fruit, their eyes opened and they noticed they were naked…something they never noticed before.
*Then the
eyes of both of them were opened, and they
realized they were naked; so they sewed fig leaves together and made coverings for themselves. Gen 3:7 *
Second, Genesis implies clearly that Adam and Even would only get knowledge and wisdom if they ate of the fruit.
Satan usually mixed lies with truths, the truth part of what he said is this:
"“For God knows that when you eat from it your eyes will be opened, and you will be like God, knowing good and evil.” Gen 3:5
Compare that with what the Lord said in Gen 3:22
*Then the LORD God said, "Behold, the man has become like one of Us, knowing good and evil. Gen 3:22 *
The Lord is confirming that eating of the fruit caused Adam and Even go become like God and knowing good and evil.
Third, Adam and Even realized that eating of the fruit was the way to gain knowledge and wisdom.
When the woman saw that the fruit of the tree was good for food and pleasing to the eye, and also desirable for gaining wisdom, she took some and ate it. She also gave some to her husband, who was with her, and he ate it. Gen 3:6
How did she know it was desirable for gaining wisdom? I think they reflected on the matter over and over before they partook of the fruit. I don’t really think it was just the persuasive words from Satan. The evidence is that after they ate it they noticed it was true and the Lord confirmed it to be true.
To enter into the world of sin and mortality required a transgression…and that is why the Lord gave them two commandments, causing a dilemma. The first was to procreate and the second not to eat of the fruit.