Until this moment, I've only dealt with symbolic representations of what you call observable reality.

In the experimental method, observable reality is our only authority.

Methods of the mathematical sciences are, however, applied in constructing and testing scientific models dealing with observable reality.

There's a disconnect between analysts and observable reality.

Marxists have also often assumed wrongly that Marx's abstract theory can be applied directly and immediately to observable reality.

Yet Marx's historical and logical analysis of economic forms is often an abstraction from observable reality.

Does it not surprise you that no language spoken by any people on Earth corresponds with observable reality?

These instruments were used regularly to check that the calculations tallied with observable reality.

The evidence for the two-seed theory was the observable reality that individuals often resembled maternal relatives.

In some ways it is also a slightly precious world, at one remove from any observable modern reality.