English without "to be"

''In 1933, in Science and Sanity, Alfred Korzybski proposed that we should abolish the "is of identity" from the English language.
...
Oddly, most physicists write in E-Prime a large part of the time, due to the influence of Operationalism -- the philosophy that tells us to define things by operations performed ... '' [source]

Examples:
"To begin to get the hang of E-Prime, consider the following two columns, the first written in Standard English and the second in English Prime.

Standard English
English Prime
1. The photon is a wave.
->
1. The photon behaves as a wave when constrained by certain instruments.


2. The photon is a particle.
->
2. The photon appears as a particle when constrained by other instruments.


3. John is unhappy and grouchy.
->
3. John appears unhappy and grouchy in the office.


4. John is bright and cheerful.
->
4. John appears bright and cheerful on holiday at the beach.


5. The car involved in the hit-and-run accident was a blue Ford.
->
5. In memory, I think I recall the car involved in the hit-and-run accident as a blue Ford."

It looks to me like this could be useful when doing software analysis (especially OOA), where "is" and "has" have a central role.