It was not discovered, it was invented.
1982
Salil khare
Alexander Fleming discovered penicillin in 1928.
The paper clip was not discovered. It was invented.
Sigma notation was invented, not discovered.Sigma notation was invented, not discovered.Sigma notation was invented, not discovered.Sigma notation was invented, not discovered.
Discovered
They were not discovered, they were invented.
It was not discovered but invented.
It was not discovered but invented.
discovered
It was not discovered, it was invented.
It was not discovered it was invented.
It was invented, not discovered.
it is discovered
No one discovered it, it was invented.
It was invented, not discovered.