The US space agency has released a "pre-solicitation" for what is expected to be a hotly contested contract to develop a spacecraft to orbit Mars and relay communications from the red planet back to Earth.
This formula is satisfiable because if we set to b to true and a to false, then the whole formula is true. All other assignments make the formula false, but it doesn't change that the formula is satisfiable as long as there is at least one assignment makes the formula true.
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Jacob Alon has been announced as the winner of this year's Critics' Choice award, while Noel Gallagher will be presented with Brits Songwriter of the Year and PinkPantheress will be honoured with the Brits Producer of the Year award.
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