The 12 judges based their ruling on the principle of salus populi ex supreme lex (the welfare of the people is the supreme law of any land), words perhaps more familiar to European lawyers than Pakistanis.

ECONOMIST: Pakistan

They say that the earlier decision effectively sanctioned the principle of tissue typing, and the new ruling is illogical.

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The Grooveshark ruling suggests Congress failed that design principle by leaving open a state copyright workaround.

FORBES: More Evidence That Congress Misaligned the DMCA Online Copyright Safe Harbors (UMG v. Grooveshark)

"The Freedom of Movement ruling is a sacred principle for us, " he said.

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He says the Supreme Court ruling doesn't provide a principle or a theory to help judges or lawmakers figure out what's constitutional and what's not.

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Mr Mugabe has accepted the land ownership plan in principle, but says the deal will have to be approved by cabinet and his ruling Zanu-PF party.

BBC: Zimbabwean President Robert Mugabe

He said Thursday that the principle upheld by the high court's ruling is that no American should go bankrupt because of illness.

CNN: Obamacare ruling paints different picture of health

They said their ruling, published in March, depended in part on the established principle that "justice delayed is justice denied".

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Though that ruling applied to catalogs in the pre-Internet age, it established an important principle of cross-state tax accountability.

WSJ: Review & Outlook: The Internet Sales Tax Rush