Editing Alexander Neckam
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In the ''Speculum speculationum'' Alexander identifies one of his key purposes as combating the [[Catharism|Cathar heresy]], particularly its belief in [[Dualistic cosmology|dualism]]. He spends a large part of Book 1 on this, and thereafter passes on to focus on his other key purpose, the application of [[dialectic|dialectic logic]] to the study of theology.<ref>{{Cite book| publisher = Oxford University Press| isbn = 978-0-19-726067-8| others = Rodney M. Thomson (ed.)| title = Alexander Nequam. Speculum speculationum| location = Oxford| series = Auctores Britannici Medii Aevi| date = 1988}}</ref> |
In the ''Speculum speculationum'' Alexander identifies one of his key purposes as combating the [[Catharism|Cathar heresy]], particularly its belief in [[Dualistic cosmology|dualism]]. He spends a large part of Book 1 on this, and thereafter passes on to focus on his other key purpose, the application of [[dialectic|dialectic logic]] to the study of theology.<ref>{{Cite book| publisher = Oxford University Press| isbn = 978-0-19-726067-8| others = Rodney M. Thomson (ed.)| title = Alexander Nequam. Speculum speculationum| location = Oxford| series = Auctores Britannici Medii Aevi| date = 1988}}</ref> |
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===''De utensilibus'' and ''De |
===''De utensilibus'' and ''De natures rerum''=== |
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Besides [[theology]], Neckam was interested in the study of [[grammar]] and [[natural history]], but his name is chiefly associated with nautical science. In his ''De utensilibus'' and ''De naturis rerum'' (both written at about 1190), Neckam has preserved to us the earliest European notices of the magnetized needle as a guide to seamen and the earliest European description of the [[compass]].<ref>{{cite book | last= Lanza | first=Roberto | last2=Meloni | first2=Antonio | title=The earth's magnetism an introduction for geologists | url= https://archive.org/details/earthsmagnetismi00lanz | url-access= registration | year=2006 | publisher=Springer | location=Berlin | page=[https://archive.org/details/earthsmagnetismi00lanz/page/n264 255] | isbn=978-3-540-27979-2}}</ref> Outside [[China]], these seem to be the earliest records.{{efn|The Chinese encyclopaedist [[Shen Kuo]] gave the first clear account of suspended magnetic compasses a hundred years earlier, in 1088 AD, in his book ''Mengxibitan'', or ''[[Dream Pool Essays]]''.}} It was probably in Paris that Neckam heard how a ship, among its other stores, must have a magnetised needle, mounted on a pivot, which would rotate until it pointed north and thus guide sailors in murky weather or on starless nights. Neckam does not seem to think of this as a startling novelty: he merely records what had apparently become the regular practice of many seamen of the Catholic world.<ref name="EB1911">{{EB1911|inline=y|wstitle=Neckam, Alexander|volume=19|pages=336–337|first=Charles Raymond|last=Beazley|authorlink=Raymond Beazley}} This has an extended footnote listing several sources.</ref> |
Besides [[theology]], Neckam was interested in the study of [[grammar]] and [[natural history]], but his name is chiefly associated with nautical science. In his ''De utensilibus'' and ''De naturis rerum'' (both written at about 1190), Neckam has preserved to us the earliest European notices of the magnetized needle as a guide to seamen and the earliest European description of the [[compass]].<ref>{{cite book | last= Lanza | first=Roberto | last2=Meloni | first2=Antonio | title=The earth's magnetism an introduction for geologists | url= https://archive.org/details/earthsmagnetismi00lanz | url-access= registration | year=2006 | publisher=Springer | location=Berlin | page=[https://archive.org/details/earthsmagnetismi00lanz/page/n264 255] | isbn=978-3-540-27979-2}}</ref> Outside [[China]], these seem to be the earliest records.{{efn|The Chinese encyclopaedist [[Shen Kuo]] gave the first clear account of suspended magnetic compasses a hundred years earlier, in 1088 AD, in his book ''Mengxibitan'', or ''[[Dream Pool Essays]]''.}} It was probably in Paris that Neckam heard how a ship, among its other stores, must have a magnetised needle, mounted on a pivot, which would rotate until it pointed north and thus guide sailors in murky weather or on starless nights. Neckam does not seem to think of this as a startling novelty: he merely records what had apparently become the regular practice of many seamen of the Catholic world.<ref name="EB1911">{{EB1911|inline=y|wstitle=Neckam, Alexander|volume=19|pages=336–337|first=Charles Raymond|last=Beazley|authorlink=Raymond Beazley}} This has an extended footnote listing several sources.</ref> |
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However, ''De |
However, ''De natures rerum'' itself was written as a preface to Neckam's commentary on the book of [[Ecclesiastes]], itself a part of a wider programme of biblical commentary encompassing the [[Song of Solomon]] and the [[Psalms]], representing the three branches of [[wisdom literature]]. It was not intended as an independent and free-standing encyclopedic work in its own right, and indeed it is mostly filled with fanciful moralising allegories rather than a detailed natural philosophy. |
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See [[Thomas Wright (antiquarian)|Thomas Wright]]'s edition of Neckam's ''De naturis rerum'' and ''De laudibus divinae sapientiae'' in the [[Rolls Series]] (1863), and of the ''De utensilibus'' in his ''Volume of Vocabularies''.<ref name="EB1911"/> |
See [[Thomas Wright (antiquarian)|Thomas Wright]]'s edition of Neckam's ''De naturis rerum'' and ''De laudibus divinae sapientiae'' in the [[Rolls Series]] (1863), and of the ''De utensilibus'' in his ''Volume of Vocabularies''.<ref name="EB1911"/> |