GB 0096 MS241
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Fonds
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1868
Unpublished copy of Augustus de Morgan's 'On the syllogism, No. 6: on quantity and location; on identity in relation to the syllogism; on the history of the mnemonic words of the fourth figure, of Logic at Cambridge, of the occult quality; on the triadic system of enunciation'.
Morgan , Augustus De , 1806-1871 , mathematician and historian x De Morgan , Augustus