Theorem List for Intuitionistic Logic Explorer - 9801-9900 *Has distinct variable
group(s)
| Type | Label | Description |
| Statement |
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| Theorem | 7p3e10 9801 |
7 + 3 = 10. (Contributed by NM, 5-Feb-2007.) (Revised by Stanislas Polu,
7-Apr-2020.) (Revised by AV, 6-Sep-2021.)
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| Theorem | 7p4e11 9802 |
7 + 4 = 11. (Contributed by Mario Carneiro, 19-Apr-2015.) (Revised by
AV, 6-Sep-2021.)
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| Theorem | 7p5e12 9803 |
7 + 5 = 12. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 7p6e13 9804 |
7 + 6 = 13. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 7p7e14 9805 |
7 + 7 = 14. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 8p2e10 9806 |
8 + 2 = 10. (Contributed by NM, 5-Feb-2007.) (Revised by Stanislas Polu,
7-Apr-2020.) (Revised by AV, 6-Sep-2021.)
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| Theorem | 8p3e11 9807 |
8 + 3 = 11. (Contributed by Mario Carneiro, 19-Apr-2015.) (Revised by
AV, 6-Sep-2021.)
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| Theorem | 8p4e12 9808 |
8 + 4 = 12. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 8p5e13 9809 |
8 + 5 = 13. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 8p6e14 9810 |
8 + 6 = 14. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 8p7e15 9811 |
8 + 7 = 15. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 8p8e16 9812 |
8 + 8 = 16. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9p2e11 9813 |
9 + 2 = 11. (Contributed by Mario Carneiro, 19-Apr-2015.) (Revised by
AV, 6-Sep-2021.)
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| Theorem | 9p3e12 9814 |
9 + 3 = 12. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9p4e13 9815 |
9 + 4 = 13. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9p5e14 9816 |
9 + 5 = 14. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9p6e15 9817 |
9 + 6 = 15. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9p7e16 9818 |
9 + 7 = 16. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9p8e17 9819 |
9 + 8 = 17. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9p9e18 9820 |
9 + 9 = 18. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 10p10e20 9821 |
10 + 10 = 20. (Contributed by Mario Carneiro, 19-Apr-2015.) (Revised by
AV, 6-Sep-2021.)
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| Theorem | 10m1e9 9822 |
10 - 1 = 9. (Contributed by AV, 6-Sep-2021.)
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| Theorem | 4t3lem 9823 |
Lemma for 4t3e12 9824 and related theorems. (Contributed by Mario
Carneiro, 19-Apr-2015.)
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| Theorem | 4t3e12 9824 |
4 times 3 equals 12. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 4t4e16 9825 |
4 times 4 equals 16. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 5t2e10 9826 |
5 times 2 equals 10. (Contributed by NM, 5-Feb-2007.) (Revised by AV,
4-Sep-2021.)
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| Theorem | 5t3e15 9827 |
5 times 3 equals 15. (Contributed by Mario Carneiro, 19-Apr-2015.)
(Revised by AV, 6-Sep-2021.)
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| Theorem | 5t4e20 9828 |
5 times 4 equals 20. (Contributed by Mario Carneiro, 19-Apr-2015.)
(Revised by AV, 6-Sep-2021.)
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| Theorem | 5t5e25 9829 |
5 times 5 equals 25. (Contributed by Mario Carneiro, 19-Apr-2015.)
(Revised by AV, 6-Sep-2021.)
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| Theorem | 6t2e12 9830 |
6 times 2 equals 12. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 6t3e18 9831 |
6 times 3 equals 18. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 6t4e24 9832 |
6 times 4 equals 24. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 6t5e30 9833 |
6 times 5 equals 30. (Contributed by Mario Carneiro, 19-Apr-2015.)
(Revised by AV, 6-Sep-2021.)
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| Theorem | 6t6e36 9834 |
6 times 6 equals 36. (Contributed by Mario Carneiro, 19-Apr-2015.)
(Revised by AV, 6-Sep-2021.)
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| Theorem | 7t2e14 9835 |
7 times 2 equals 14. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 7t3e21 9836 |
7 times 3 equals 21. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 7t4e28 9837 |
7 times 4 equals 28. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 7t5e35 9838 |
7 times 5 equals 35. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 7t6e42 9839 |
7 times 6 equals 42. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 7t7e49 9840 |
7 times 7 equals 49. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 8t2e16 9841 |
8 times 2 equals 16. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 8t3e24 9842 |
8 times 3 equals 24. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 8t4e32 9843 |
8 times 4 equals 32. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 8t5e40 9844 |
8 times 5 equals 40. (Contributed by Mario Carneiro, 19-Apr-2015.)
(Revised by AV, 6-Sep-2021.)
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| Theorem | 8t6e48 9845 |
8 times 6 equals 48. (Contributed by Mario Carneiro, 19-Apr-2015.)
(Revised by AV, 6-Sep-2021.)
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| Theorem | 8t7e56 9846 |
8 times 7 equals 56. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 8t8e64 9847 |
8 times 8 equals 64. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9t2e18 9848 |
9 times 2 equals 18. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9t3e27 9849 |
9 times 3 equals 27. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9t4e36 9850 |
9 times 4 equals 36. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9t5e45 9851 |
9 times 5 equals 45. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9t6e54 9852 |
9 times 6 equals 54. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9t7e63 9853 |
9 times 7 equals 63. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9t8e72 9854 |
9 times 8 equals 72. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9t9e81 9855 |
9 times 9 equals 81. (Contributed by Mario Carneiro, 19-Apr-2015.)
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| Theorem | 9t11e99 9856 |
9 times 11 equals 99. (Contributed by AV, 14-Jun-2021.) (Revised by AV,
6-Sep-2021.)
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| Theorem | 9lt10 9857 |
9 is less than 10. (Contributed by Mario Carneiro, 8-Feb-2015.) (Revised
by AV, 8-Sep-2021.)
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| Theorem | 8lt10 9858 |
8 is less than 10. (Contributed by Mario Carneiro, 8-Feb-2015.) (Revised
by AV, 8-Sep-2021.)
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| Theorem | 7lt10 9859 |
7 is less than 10. (Contributed by Mario Carneiro, 10-Mar-2015.)
(Revised by AV, 8-Sep-2021.)
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| Theorem | 6lt10 9860 |
6 is less than 10. (Contributed by Mario Carneiro, 10-Mar-2015.)
(Revised by AV, 8-Sep-2021.)
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| Theorem | 5lt10 9861 |
5 is less than 10. (Contributed by Mario Carneiro, 10-Mar-2015.)
(Revised by AV, 8-Sep-2021.)
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| Theorem | 4lt10 9862 |
4 is less than 10. (Contributed by Mario Carneiro, 10-Mar-2015.)
(Revised by AV, 8-Sep-2021.)
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| Theorem | 3lt10 9863 |
3 is less than 10. (Contributed by Mario Carneiro, 10-Mar-2015.)
(Revised by AV, 8-Sep-2021.)
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| Theorem | 2lt10 9864 |
2 is less than 10. (Contributed by Mario Carneiro, 10-Mar-2015.)
(Revised by AV, 8-Sep-2021.)
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| Theorem | 1lt10 9865 |
1 is less than 10. (Contributed by NM, 7-Nov-2012.) (Revised by Mario
Carneiro, 9-Mar-2015.) (Revised by AV, 8-Sep-2021.)
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| Theorem | decbin0 9866 |
Decompose base 4 into base 2. (Contributed by Mario Carneiro,
18-Feb-2014.)
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| Theorem | decbin2 9867 |
Decompose base 4 into base 2. (Contributed by Mario Carneiro,
18-Feb-2014.)
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| Theorem | decbin3 9868 |
Decompose base 4 into base 2. (Contributed by Mario Carneiro,
18-Feb-2014.)
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| Theorem | halfthird 9869 |
Half minus a third. (Contributed by Scott Fenton, 8-Jul-2015.)
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| Theorem | 5recm6rec 9870 |
One fifth minus one sixth. (Contributed by Scott Fenton, 9-Jan-2017.)
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| 4.4.11 Upper sets of integers
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| Syntax | cuz 9871 |
Extend class notation with the upper integer function.
Read "  " as "the
set of integers greater than or equal to
".
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| Definition | df-uz 9872* |
Define a function whose value at is the semi-infinite set of
contiguous integers starting at , which we will also call the
upper integers starting at . Read "  " as "the
set
of integers greater than or equal to ". See uzval 9873 for its
value, uzssz 9892 for its relationship to , nnuz 9908
and nn0uz 9907 for
its relationships to and , and eluz1 9875 and eluz2 9877 for
its membership relations. (Contributed by NM, 5-Sep-2005.)
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| Theorem | uzval 9873* |
The value of the upper integers function. (Contributed by NM,
5-Sep-2005.) (Revised by Mario Carneiro, 3-Nov-2013.)
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| Theorem | uzf 9874 |
The domain and codomain of the upper integers function. (Contributed by
Scott Fenton, 8-Aug-2013.) (Revised by Mario Carneiro, 3-Nov-2013.)
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| Theorem | eluz1 9875 |
Membership in the upper set of integers starting at .
(Contributed by NM, 5-Sep-2005.)
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| Theorem | eluzel2 9876 |
Implication of membership in an upper set of integers. (Contributed by
NM, 6-Sep-2005.) (Revised by Mario Carneiro, 3-Nov-2013.)
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| Theorem | eluz2 9877 |
Membership in an upper set of integers. We use the fact that a
function's value (under our function value definition) is empty outside
of its domain to show . (Contributed by NM,
5-Sep-2005.)
(Revised by Mario Carneiro, 3-Nov-2013.)
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| Theorem | eluzmn 9878 |
Membership in an earlier upper set of integers. (Contributed by Thierry
Arnoux, 8-Oct-2018.)
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| Theorem | eluz1i 9879 |
Membership in an upper set of integers. (Contributed by NM,
5-Sep-2005.)
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| Theorem | eluzuzle 9880 |
An integer in an upper set of integers is an element of an upper set of
integers with a smaller bound. (Contributed by Alexander van der Vekens,
17-Jun-2018.)
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| Theorem | eluzelz 9881 |
A member of an upper set of integers is an integer. (Contributed by NM,
6-Sep-2005.)
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| Theorem | eluzelre 9882 |
A member of an upper set of integers is a real. (Contributed by Mario
Carneiro, 31-Aug-2013.)
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| Theorem | eluzelcn 9883 |
A member of an upper set of integers is a complex number. (Contributed by
Glauco Siliprandi, 29-Jun-2017.)
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| Theorem | eluzle 9884 |
Implication of membership in an upper set of integers. (Contributed by
NM, 6-Sep-2005.)
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| Theorem | eluz 9885 |
Membership in an upper set of integers. (Contributed by NM,
2-Oct-2005.)
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| Theorem | uzid 9886 |
Membership of the least member in an upper set of integers. (Contributed
by NM, 2-Sep-2005.)
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| Theorem | uzidd 9887 |
Membership of the least member in an upper set of integers.
(Contributed by Glauco Siliprandi, 23-Oct-2021.)
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| Theorem | uzn0 9888 |
The upper integers are all nonempty. (Contributed by Mario Carneiro,
16-Jan-2014.)
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| Theorem | uztrn 9889 |
Transitive law for sets of upper integers. (Contributed by NM,
20-Sep-2005.)
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| Theorem | uztrn2 9890 |
Transitive law for sets of upper integers. (Contributed by Mario
Carneiro, 26-Dec-2013.)
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| Theorem | uzneg 9891 |
Contraposition law for upper integers. (Contributed by NM,
28-Nov-2005.)
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| Theorem | uzssz 9892 |
An upper set of integers is a subset of all integers. (Contributed by
NM, 2-Sep-2005.) (Revised by Mario Carneiro, 3-Nov-2013.)
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| Theorem | uzss 9893 |
Subset relationship for two sets of upper integers. (Contributed by NM,
5-Sep-2005.)
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| Theorem | uztric 9894 |
Trichotomy of the ordering relation on integers, stated in terms of upper
integers. (Contributed by NM, 6-Jul-2005.) (Revised by Mario Carneiro,
25-Jun-2013.)
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| Theorem | uz11 9895 |
The upper integers function is one-to-one. (Contributed by NM,
12-Dec-2005.)
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| Theorem | eluzp1m1 9896 |
Membership in the next upper set of integers. (Contributed by NM,
12-Sep-2005.)
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| Theorem | eluzp1l 9897 |
Strict ordering implied by membership in the next upper set of integers.
(Contributed by NM, 12-Sep-2005.)
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| Theorem | eluzp1p1 9898 |
Membership in the next upper set of integers. (Contributed by NM,
5-Oct-2005.)
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| Theorem | eluzaddi 9899 |
Membership in a later upper set of integers. (Contributed by Paul
Chapman, 22-Nov-2007.)
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| Theorem | eluzsubi 9900 |
Membership in an earlier upper set of integers. (Contributed by Paul
Chapman, 22-Nov-2007.)
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