320 LIST OF SYMBOLS 



\p — small psi — an independent variable; pressure or amplitude (Ch. 3). 

 ^ — capital psi — potential. 

 co — small omega — unit of resistance, ohms; angular velocity of centrifuge 



(Ch. 6). 

 £ — small xi — reaction path length (Ch. 7). 

 Q — capital omega — the number of ways a system can be arranged (Ch. 7). 



MATHEMATICAL SYMBOLS 



/ — elongated S to represent elongated sum — the sum of an infinite num- 

 ber of infinitely small parts : the integral sign. 

 a — the ''infinity 1 ' sign. 

 <x — the proportionality sign. 



V^the root sign; if no number appears in the hook, a square root sign. 

 y^ — capital sigma — to denote the summation of a finite number of small 

 but finite parts. 

 d — rounded "dee 11 — the partial differential symbol. 

 = — identically equal to. 

 X — as superscript — refers to activated complex. 



