000			00430nam a22001697a 4500
007			ta
008			140124b xxu||||| |||| 00| 0 eng d
020			_a0-486-60164-1
082			_a511.3
100			_9448 _aLanger, Susanne K.
245			_aAn introduction to symbolic logic
250			_a3a. ed. rev.
260			_aNew York _b: Dover Publications Inc. _c, 1967
300			_a367 p.
650			_9902 _aLÓGICA
942			_2ddc _cLIBRO
999			_c306 _d306