Chapter 1. FPNs for knowledge representation and reasoning: A literature review -- Chapter 2. Determining truth degrees of input places in FPNs -- Chapter 3. Bipolar fuzzy Petri nets for knowledge acquisition and representation -- Chapter 4. Picture fuzzy Petri nets for knowledge acquisition and representation -- Chapter 5. R-numbers Petri nets for knowledge acquisition and representation -- Chapter 6. Intuitionistic fuzzy Petri nets for knowledge representation and reasoning -- Chapter 7. Linguistic Z-number Petri nets for knowledge acquisition and representation -- Chapter 8. Linguistic reasoning Petri nets for knowledge representation and reasoning -- Chapter 9. Dynamic adaptive fuzzy Petri nets for knowledge representation and reasoning -- Chapter 10. Spherical linguistic Petri nets for knowledge representation and reasoning -- Chapter 11. Two-dimensional uncertain linguistic Petri Net for knowledge representation and reasoning -- Chapter 12. Pythagorean fuzzy Petri nets for knowledge representation and reasoning -- Chapter 13. Grey reasoning Petri nets for knowledge representation and reasoning -- Chapter 14. Cloud reasoning Petri nets for knowledge representation and reasoning -- Chapter 15. Knowledge acquisition and representation using interval-valued intuitionistic fuzzy Petri nets -- Chapter 16. Knowledge acquisition and representation using dynamic adaptive fuzzy Petri nets -- Chapter 17. Fault diagnosis and cause analysis using dynamic adaptive fuzzy Petri nets -- Chapter 18. Failure mode and effects analysis using FPNs -- Chapter 19. Failure mode and effect analysis using probabilistic linguistic Petri nets -- Chapter 20. Failure mode and effect analysis using interval type-2 fuzzy Petri nets.