Mathematical proof : an elementary approach /
Hallerberg, Arthur E., 1918-1978.
Mathematical proof : an elementary approach / by Arthur E. Hallerberg - New York : Hafner Press, 1974 - viii, 104 p. : ill. ; 28 cm.
0028456904
72-094008 //r872
Proof theory
Mathematical proof : an elementary approach / by Arthur E. Hallerberg - New York : Hafner Press, 1974 - viii, 104 p. : ill. ; 28 cm.
0028456904
72-094008 //r872
Proof theory
