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References to 'inference rule'
1. an outline of Hilbert's programme by gribskoff
2. axiom by rmilson
3. beyond formalism: G\"{o}del's incompleteness by gribskoff
4. differential propositional calculus by Jon Awbrey
5. equivalent regular expressions by CWoo
6. from Hilbert's tenth problem to G\"{o}del's trichotomy by gribskoff
7. fuzzy logic by ggerla
8. interpretation of intuitionistic logic by means of functionals by gribskoff
9. labeled graph by CWoo
10. logical axiom by CWoo
11. logical graph : formal development by Jon Awbrey
12. logicism by gribskoff
13. mathematical platonism by gribskoff
14. mathematics vocabulary by matte
15. modus ponens by CWoo
16. modus tollens by rspuzio
17. propositional calculus by Jon Awbrey
18. the inclusion of classical into intuitionistic logic by gribskoff