TY - GEN AU - Zulauf,Achim TI - The logical and set-theoretical foundations of mathematics SN - 0050019961 AV - QA37 U1 - 511.3 PY - 1969/// CY - Edinburgh PB - Oliver and Boyd KW - Symbolic and mathematical Logic KW - Set theory N1 - Contine exercitii si lista de simboluri Index p. 253 ER -