From the Z-papers by Herb Zinser
Z-Paper 1084 provides some data about Nature's SYMBOL MACHINE comprised of nouns,verbs, concepts, math equations, flowcharts, etc. The ideas found in math and science textbooks are part of the SYMBOL MACHINE.
Using Galileo's suggestions of " 2 CHIEF WORLD SYSTEMS" we now perceive Sartre existentialism as partitioned into 2 or more data spaces....... the 2 CHIEF existential entities
1) physical reality of objects: concrete highways, iron automobiles, cellulose trees, humanoids, etc.
2) The world of symbols, concepts, process control system flowcharts, biochemistry diagrams, math and physics equations, etc.
Thus we understand Charles Dickens " TALE of 2 Cities".
Maps and Territories - Rijnlandmodel
Language in Thought and Action, S.I. Hayakawa.
Chapter 2 Symbols Maps and Territories
There is a sense in which we all live in two worlds.
Thus ..with Andrew Johnson ...we see that history repeated itself ..100 years later with President Johnson from TEXAS.