TY - BOOK AU - Cassirer,Ernst TI - Substance and function and einstein's theory of relativity AV - BD221 C3 PY - 1953/// CY - Chicago PB - Dover KW - Sustancia (Filosofía) KW - Teoría del conocimiento KW - Relatividad (Física) N1 - "the first part of the present book, substanzbegriff und funktionsbegriff, was published in 1910 while the second part, which we have called the supplement, zur einsteinschen relativitatstheorie, appeared in 1921" "unabridged reprint of; the volumea ER -