fb16dfecae
Commit b7f05445c0 has added WWW entries to port Makefiles based on
WWW: lines in pkg-descr files.
This commit removes the WWW: lines of moved-over URLs from these
pkg-descr files.
Approved by: portmgr (tcberner)
17 lines
635 B
Plaintext
17 lines
635 B
Plaintext
The Twelf implementation comprises
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* the LF logical framework, including type reconstruction;
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* the Elf constraint logic programming language;
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* an inductive meta-theorem prover for LF;
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* and an Emacs interface.
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Twelf provides a uniform meta-language for specifying,
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implementing, and proving properties of programming languages
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and logics. Example suites include Cartesian Closed Categories
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and lambda-calculus, the Church-Rosser theorem for the untyped
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lambda-calculus, Mini-ML including type preservation and
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compilation, cut elimination, theory of logic programming,
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and Hilbert's deduction theorem.
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-- the Twelf home page
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