A formula is valid if and only if it is true under every interpretation, and an argument form (or schema) is valid if and only if every argument of that logical form is valid.

The 6.30 p.m. version is the only valid one.

A valid XML document contains only elements that are defined in the DTD.

Each report shall contain information only on those Kyoto Protocol units valid for that commitment period.3 The SEF consists of six tables.

These agreements contain the Core Labour Standards as well but are only valid for the European plants of General Motors (Opel) and Ford of Europe.

UNICEF will review its procedure for raising and verifying unliquidated obligations for programme supplies to ensure that only valid obligations are recognized at the end of the biennium.

It also recommended that UNOPS enforce strict financial discipline with regard to project officers creating only valid obligations.

There are valid arguments to made for either course.

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That was not a valid excuse for ignoring the Covenant.

Not only is there insufficient political will for an international force, but, more importantly, there are valid doubts about the feasibility and prospects for the success of such an operation.

That remains valid.

It doesn't appear to be a valid disc image or a valid cue file.

All secondary colour coded access cards will be valid only for the duration of the High level Plenary Meeting of the General Assembly, possibly during the general debate.

The licenses for manufacturing, trading, collecting or displaying weapons are valid for 3 years, and the license for obtaining weapons is valid for 6 months, starting from the day when the license is granted.

Whatever deal Uruguay made with Washington, the fact remains that the prisoners released from Guantanamo have only been issued Uruguayan citizenship cards, which are not valid for foreign travel.

The increase occurred after a new law, valid only for 1992 and 1993, no longer required young men to present their objections to the military in a credible way.

Those recommendations are still valid.

Number of valid ballots 157

In paragraph 36, the Board recommended that UNICEF review its procedure for raising and verifying unliquidated obligations for programme supplies to ensure that only valid obligations are recognized at the end of the biennium.

But, though this argument is valid in principle, economic models show that this risk has only a moderate effect on the best policy.

In normal times, there are valid reasons for paying interest on excess reserves.

(Note that these lCERs will have been valid for a previous commitment period.

The requirement that evictions take place only for a valid public purpose, with fair compensation, and following consultation of those affected, is honored more in the breach than in the observance.

Meanwhile, the only part of the Constitutional Law on Neutrality of 1955 still fully valid is not to allow foreign military bases in Austria.

Para 2 of Section 310 (1) reads as Provided that only giving a female in marriage shall not be a valid Badal i Sulh .

The Seam Zone would ultimately be accessible to Palestinian residents, farmers and workers through 73 crossing points which would be opened only during limited times for holders of valid one year permits.

didn't find any valid .deb archives

The specified contact is not valid

Is that slogan more valid now?

How long is a license valid?

Number of valid ballot papers 31

Well it turns out that the computer analogy is just as valid for emotion.

These provisions are valid for the territory of the Federation of Bosnia and Herzegovina.

However there are no set requirements for a custom marriage in order for it to be valid.

The law that is valid for all other companies should apply to banks as well.

File is not a valid .desktop file

Profile flag 'debug' is no longer valid.

That concern remains no less valid today.

The principle of self determination was valid only for people subjected to a colonial power, not for the descendants of people illegally transplanted by such a power, and would be distorted if it were interpreted in that way.

Restoring growth in the short term while addressing debt problems in the medium and long term may well be the only valid response to the crisis.

Other measures to combat human trafficking include There are FIA posts at all airports and only passengers holding valid documents are allowed to board the aircraft.

And what is true for the United Nations proper is valid also for the other parts of the system.

It is difficult to prove that fragmentation is being effected for tax purposes and for no other valid reason.

That element of the story, incidentally, remains valid.