body: Mindy Chen-Wishart. [*Contract Law* (2018 6 edn)](https://www.amazon.co.uk/Contract-Law-Mindy-Chen-Wishart/dp/0198806353/ref=dp_ob_title_bk). p 121. I read [Law of Property Act 1925 s(205)](http://www.legislation.gov.uk/ukpga/Geo5/15-16/20/section/205)(1)(xxi) quoted, but still don't understand (ii).
  
  
  
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  > (xxi) “Purchaser” means a purchaser in good faith for valuable consideration and includes a lessee, mortgagee or other person who for valuable consideration acquires an interest in property except that in Part I of this Act and elsewhere where so expressly provided “purchaser” only means a person who acquires an interest in or charge on property for money or money’s worth; and in reference to a legal estate includes a chargee by way of legal mortgage; and where the context so requires “purchaser” includes an intending purchaser; “purchase” has a meaning corresponding with that of “purchaser”; and “valuable consideration” includes marriage **[F6**, and formation of a civil partnership,**]** but does not include a nominal consideration in money;
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title: Why can the right obtained by giving nominal consideration be less secure, if not negated?