If you restrict your attention to just the standalone theory of relativity then yes you need the postulate.

In medieval European Scholasticism, science as taught at universities was obliged to restrict its attention to the natural world.

In other words, we simply restrict our attention to coalitions contained in .

Not if we restrict our attention to small children, which at this point we can logically do.

Value investors restrict their attention to under-valued companies, believing that 'it's hard to fall out of a ditch'.

We will restrict our attention to relabellings that are consistent with the order of the original labels.

We ow restrict our attention to simple pencils, where symmetric or not.

Critics have unfortunately tended to restrict their attention to a group of poets only slightly larger than that identified by Southey.

As this exploratory study restricted its attention to the centre, we were not able to pursue these points.

Some authors restrict their attention to simplicial dissections, especially in the secondary literature, since they are easier to work with.