(1) If an argument is invalid , there is no deduction for it in the system.

(2) No need to be surprised - a theory is invalid if shown to be so beyond reasonable doubt.

(3) The Corporation announced that an invalid SSL certificate that web sites use is required to be installed on the user computer to use the https protocol.

(4) To the extent that Part 14 of the regulations falls within the zone of exclusive federal legislative power, the State regulation must be invalid .

(5) Now anything I put in the CD drive or floppy drive comes up with an invalid system disk error.

(6) But when they tried to claim they were told their policy - for which they had paid a monthly premium over a four-year period - was invalid .

(7) However, these cards are otherwise ordinary and follow all the rules regarding valid and invalid plays.

(8) Her invalid husband

(9) In simple words this means they do not have licences at all because an invalid document is not a licence to drive.

(10) He glared at him daring him to pursue this as an invalid argument.

(11) Traffic officials would conduct random roadblocks, cracking down on offences such as vehicle overloading, drunken driving and invalid licences.

(12) I believe that it was perfectly legitimate to pursue a belief, as Tony did, that there was something improper or invalid about the party's registration.

(13) If it is the latter then the protests are invalid simply because pen to paper would restore the balance.

(14) The vast majority were returned for being invalid .

(15) It's not an invalid view, but it's not the only view.

(16) Eighty years after Wallace's book, our universe could not be more radically different, yet human hope continues to impose the same invalid argument upon it.

(17) Each run consisted of 16 valid trials, 16 invalid trials, and 8 no-go trials in random order.

(18) She spent the rest of her life as an invalid

(19) But the fact that such arguments are deductively invalid does not mean that they are not sometimes inductively strong.

(20) This argument for fatalism does not commit the same fallacy (that is, use the same invalid argument) as the first one that I gave.