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No, they are quite different.
"If" is used when one is making a supposition. For example, we might not be sure if Al is staying at the Moonlight Inn or Ed's Motel. One might temporarily suppose that he is at one or the other and use "if"; "If Al is at Ed's Motel, his car will be parked outside." "If Al is staying at the Moonlight Inn, I'll check in there myself."
"Whether" is also used when there is an uncertainty, but in this case, the uncertainty is not resolved. "I'm staying at the Central Hotel and I don't care whether Al is at the Moonlight or Ed's." or "Whether Al is at the Moonlight or at Ed's, I know he's in town."
The usages can approach each other when using a phrase like "Tell me if Al is staying at the Moonlight Inn." or "Tell me whether Al is staying at the Moonlight Inn or at Ed's Motel." One clearly should use "whether" in the latter case. In the former, however, it is less clear (either if or whether would be idiomatic).
What else can I help you with?
What does equal mean in geometry?
"Equal" means they are the same whether in geometry or another math.
What is fill effects?
If you mean on the computer it is whether or not you have variations of the same colour on a Microsoft document
What does it mean when your shy crushes parents look at you the same way she does?
It probably means whether they have the same feelings for you or since they are related that they have the same look to them.
Does yarn over needle mean the same as yarn round needle?
Yes it usually does mean the same thing. But then it is also a way to differentiate between whether you are doing knitting or purling.
What does so mean in slang?
"So" retains the same meaning whether it is used in slang or correct English.
What does so in so mean?
"So" retains the same meaning whether it is used in slang or correct English.
Can you registar your name in wikianswer?
If you mean whether you can use your name as your username, the answer is yes. Provided others don't have that same username.
What does reasoning mean in the math term?
Reasoning means the same, whether in maths or elsewhere. It is using your brains in a logical manner.
How do you unpossess a stuffed duck?
Whether you mean end your ownership of the duck, or expel demonic entities from the duck, the answer is the same - burn it to cinders.
What does kosher mean today?
Kosher means the same thing today that it has always meant: "fit for use" (whether it be food or other items)
What 4 whole numbers equal 56?
It depends on whether you mean sum or product or something else; whether the numbers are integers, rationals or reals; whether they are same or different, etc. 1,1,1 and 53 sum to 56. 1,1,1 and 56 multiply to 56.
Plus and minus equals?
That depends what you mean with "and": whether you want to add the numbers, multiply them, etc.That depends what you mean with "and": whether you want to add the numbers, multiply them, etc.That depends what you mean with "and": whether you want to add the numbers, multiply them, etc.That depends what you mean with "and": whether you want to add the numbers, multiply them, etc.
