is this sentence correct ''but how come is it false as well as...''?

0I'm quoting from someone else's post:02br
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01font00''I came to know that the word, 01i00nimravus02i00 means false sabertoothed tiger. My query is, what does false sabertoothed refer to? I know sabertoothed means having teeth that resemble sabers.01font00 01b00But how come 01i01u00is it02u02i00 false as well as sabertoothed?02b02font00 Or does it mean that they are false tigers?''02font02br
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01b00Question:02b02br
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01font00Isn't that sentence wrong 01i00''but how come is it false as well as sabertoothed?''02i00? Shouldn't it be01i00 01i00but how come it is false as well as sabertoothed02i02i00?02font01font02font0-