The base word in "invalid" is "valid," which means something that is acceptable or true. When you add the prefix "in-" to "valid," it changes the meaning to "not valid" or "not acceptable."
it dose not change it
The logarithm of 1 to the base 1 is indeterminate. The logarithm of a number x to the base a is a number y, such that ay = x. The most common base a is 10, or the natural base a is e (2.718281828...). It is invalid to think of logarithms base 1, because 1 to the power of anything is still 1.
.invalid was created in 1999.
The word invalid is an adjective. It describes something that is not valid.
the little boy in the wheel chair is an invalid person. Invalid means sick, disabled, or diseased person
The premises on which he based his conclusions were invalid.
My neighbor is an invalid.
Like telling someone.. "Is an invalid sentence." would be incorrect. "That is an invalid sentence." would be correct.
An invalid argument is when the facts you are using are invalid or your forms of defense are wrong or incorrect, a valid argument is the opposite of an invalid argument. "There is a windmill in my beard. your argument is invalid." (This is a good example of a bad contradiction)
I forgot to renew my licence and now it is invalid.
Invalid. has written: 'The register of folly'