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     1 chapter LCF  | 
     1 chapter LCF  | 
     2   | 
     2   | 
     3 session LCF = Pure +  | 
     3 session LCF = Pure +  | 
     4   description \<open>  | 
     4   description "  | 
     5     Author:     Tobias Nipkow  | 
     5     Author:     Tobias Nipkow  | 
     6     Copyright   1992  University of Cambridge  | 
     6     Copyright   1992  University of Cambridge  | 
     7   | 
     7   | 
     8     Logic for Computable Functions.  | 
     8     Logic for Computable Functions.  | 
     9   | 
     9   | 
    10     Useful references on LCF: Lawrence C. Paulson,  | 
    10     Useful references on LCF: Lawrence C. Paulson,  | 
    11     Logic and Computation: Interactive proof with Cambridge LCF (CUP, 1987)  | 
    11     Logic and Computation: Interactive proof with Cambridge LCF (CUP, 1987)  | 
    12 \<close>  | 
    12   "  | 
    13   sessions  | 
    13   sessions  | 
    14     FOL  | 
    14     FOL  | 
    15   theories  | 
    15   theories  | 
    16     LCF  | 
    16     LCF  | 
    17   | 
         | 
    18     (* Some examples from Lawrence Paulson's book Logic and Computation *)  | 
    17     (* Some examples from Lawrence Paulson's book Logic and Computation *)  | 
    19     "ex/Ex1"  | 
    18     "ex/Ex1"  | 
    20     "ex/Ex2"  | 
    19     "ex/Ex2"  | 
    21     "ex/Ex3"  | 
    20     "ex/Ex3"  | 
    22     "ex/Ex4"  | 
    21     "ex/Ex4"  |