David Lacey Neil D. Jones Eric Van Wyk Carl Christian Frederiksen Compiler Optimization Correctness by Temporal Logic. 173-206 2004 17 Higher-Order and Symbolic Computation 3 http://dx.doi.org/10.1023/B:LISP.0000029444.99264.c0 db/journals/lisp/lisp17.html#LaceyJWF04