Three sorts of reality of which any new truth must take account. To 'take account' is ambiguous. Absolutely independent reality is hard to find. The human contribution is ubiquitous and builds out the given. Essence of pragmatism's contrast with rationalism.
Rationalism affirms a transempirical world.
Motives for this. Tough-mindedness rejects them . A genuine alternative. Two ways of taking it. My friend's letter.