Metamath Proof Explorer


Table of Contents - 5.4.4. Some properties of specific numbers

This section includes specific theorems about one-digit natural numbers (membership, addition, subtraction, multiplication, division, ordering).

  1. 1pneg1e0
  2. 0m0e0
  3. 1m0e1
  4. 0p1e1
  5. fv0p1e1
  6. 1p0e1
  7. 1p1e2
  8. 2m1e1
  9. 1e2m1
  10. 3m1e2
  11. 4m1e3
  12. 5m1e4
  13. 6m1e5
  14. 7m1e6
  15. 8m1e7
  16. 9m1e8
  17. 2p2e4
  18. 2times
  19. times2
  20. 2timesi
  21. times2i
  22. 2txmxeqx
  23. 2div2e1
  24. 2p1e3
  25. 1p2e3
  26. 1p2e3ALT
  27. 3p1e4
  28. 4p1e5
  29. 5p1e6
  30. 6p1e7
  31. 7p1e8
  32. 8p1e9
  33. 3p2e5
  34. 3p3e6
  35. 4p2e6
  36. 4p3e7
  37. 4p4e8
  38. 5p2e7
  39. 5p3e8
  40. 5p4e9
  41. 6p2e8
  42. 6p3e9
  43. 7p2e9
  44. 1t1e1
  45. 2t1e2
  46. 2t2e4
  47. 3t1e3
  48. 3t2e6
  49. 3t3e9
  50. 4t2e8
  51. 2t0e0
  52. 4d2e2
  53. 1lt2
  54. 2lt3
  55. 1lt3
  56. 3lt4
  57. 2lt4
  58. 1lt4
  59. 4lt5
  60. 3lt5
  61. 2lt5
  62. 1lt5
  63. 5lt6
  64. 4lt6
  65. 3lt6
  66. 2lt6
  67. 1lt6
  68. 6lt7
  69. 5lt7
  70. 4lt7
  71. 3lt7
  72. 2lt7
  73. 1lt7
  74. 7lt8
  75. 6lt8
  76. 5lt8
  77. 4lt8
  78. 3lt8
  79. 2lt8
  80. 1lt8
  81. 8lt9
  82. 7lt9
  83. 6lt9
  84. 5lt9
  85. 4lt9
  86. 3lt9
  87. 2lt9
  88. 1lt9
  89. 0ne2
  90. 1ne2
  91. 1le2
  92. 2cnne0
  93. 2rene0
  94. 1le3
  95. neg1mulneg1e1
  96. halfre
  97. halfcn
  98. halfgt0
  99. halfge0
  100. halflt1
  101. 2halves
  102. 1mhlfehlf
  103. 8th4div3
  104. halfthird
  105. halfpm6th
  106. it0e0
  107. 2mulicn
  108. 2muline0