Metamath Proof Explorer


Table of Contents - 1.3. Other axiomatizations related to classical propositional calculus

  1. Minimal implicational calculus
    1. minimp
    2. minimp-syllsimp
    3. minimp-ax1
    4. minimp-ax2c
    5. minimp-ax2
    6. minimp-pm2.43
  2. Implicational Calculus
    1. impsingle
    2. impsingle-step4
    3. impsingle-step8
    4. impsingle-ax1
    5. impsingle-step15
    6. impsingle-step18
    7. impsingle-step19
    8. impsingle-step20
    9. impsingle-step21
    10. impsingle-step22
    11. impsingle-step25
    12. impsingle-imim1
    13. impsingle-peirce
    14. tarski-bernays-ax2
  3. Derive the Lukasiewicz axioms from Meredith's sole axiom
    1. meredith
    2. merlem1
    3. merlem2
    4. merlem3
    5. merlem4
    6. merlem5
    7. merlem6
    8. merlem7
    9. merlem8
    10. merlem9
    11. merlem10
    12. merlem11
    13. merlem12
    14. merlem13
    15. luk-1
    16. luk-2
    17. luk-3
  4. Derive the standard axioms from the Lukasiewicz axioms
    1. luklem1
    2. luklem2
    3. luklem3
    4. luklem4
    5. luklem5
    6. luklem6
    7. luklem7
    8. luklem8
    9. ax1
    10. ax2
    11. ax3
  5. Derive Nicod's axiom from the standard axioms
    1. nic-dfim
    2. nic-dfneg
    3. nic-mp
    4. nic-mpALT
    5. nic-ax
    6. nic-axALT
  6. Derive the Lukasiewicz axioms from Nicod's axiom
    1. nic-imp
    2. nic-idlem1
    3. nic-idlem2
    4. nic-id
    5. nic-swap
    6. nic-isw1
    7. nic-isw2
    8. nic-iimp1
    9. nic-iimp2
    10. nic-idel
    11. nic-ich
    12. nic-idbl
    13. nic-bijust
    14. nic-bi1
    15. nic-bi2
    16. nic-stdmp
    17. nic-luk1
    18. nic-luk2
    19. nic-luk3
  7. Derive Nicod's Axiom from Lukasiewicz's First Sheffer Stroke Axiom
    1. lukshef-ax1
    2. lukshefth1
    3. lukshefth2
    4. renicax
  8. Derive the Lukasiewicz Axioms from the Tarski-Bernays-Wajsberg Axioms
    1. tbw-bijust
    2. tbw-negdf
    3. tbw-ax1
    4. tbw-ax2
    5. tbw-ax3
    6. tbw-ax4
    7. tbwsyl
    8. tbwlem1
    9. tbwlem2
    10. tbwlem3
    11. tbwlem4
    12. tbwlem5
    13. re1luk1
    14. re1luk2
    15. re1luk3
  9. Derive the Tarski-Bernays-Wajsberg axioms from Meredith's First CO Axiom
    1. merco1
    2. merco1lem1
    3. retbwax4
    4. retbwax2
    5. merco1lem2
    6. merco1lem3
    7. merco1lem4
    8. merco1lem5
    9. merco1lem6
    10. merco1lem7
    11. retbwax3
    12. merco1lem8
    13. merco1lem9
    14. merco1lem10
    15. merco1lem11
    16. merco1lem12
    17. merco1lem13
    18. merco1lem14
    19. merco1lem15
    20. merco1lem16
    21. merco1lem17
    22. merco1lem18
    23. retbwax1
  10. Derive the Tarski-Bernays-Wajsberg axioms from Meredith's Second CO Axiom
    1. merco2
    2. mercolem1
    3. mercolem2
    4. mercolem3
    5. mercolem4
    6. mercolem5
    7. mercolem6
    8. mercolem7
    9. mercolem8
    10. re1tbw1
    11. re1tbw2
    12. re1tbw3
    13. re1tbw4
  11. Derive the Lukasiewicz axioms from the Russell-Bernays Axioms
    1. rb-bijust
    2. rb-imdf
    3. anmp
    4. rb-ax1
    5. rb-ax2
    6. rb-ax3
    7. rb-ax4
    8. rbsyl
    9. rblem1
    10. rblem2
    11. rblem3
    12. rblem4
    13. rblem5
    14. rblem6
    15. rblem7
    16. re1axmp
    17. re2luk1
    18. re2luk2
    19. re2luk3
  12. Stoic logic non-modal portion (Chrysippus of Soli)
    1. mptnan
    2. mptxor
    3. mtpor
    4. mtpxor
    5. stoic1a
    6. stoic1b
    7. stoic2a
    8. stoic2b
    9. stoic3
    10. stoic4a
    11. stoic4b