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Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-nnelirr | Unicode version |
Description: A natural number does not belong to itself. Version of elirr 4394 for natural numbers, which does not require ax-setind 4390. (Contributed by BJ, 24-Nov-2019.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
bj-nnelirr |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | noel 3314 |
. 2
![]() ![]() ![]() ![]() ![]() | |
2 | df-suc 4231 |
. . . . . 6
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3 | 2 | eleq2i 2166 |
. . . . 5
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4 | elun 3164 |
. . . . . 6
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5 | bj-nntrans 12734 |
. . . . . . . 8
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6 | sucssel 4284 |
. . . . . . . 8
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7 | 5, 6 | syld 45 |
. . . . . . 7
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8 | vex 2644 |
. . . . . . . . . 10
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9 | 8 | sucid 4277 |
. . . . . . . . 9
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10 | elsni 3492 |
. . . . . . . . 9
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11 | 9, 10 | syl5eleq 2188 |
. . . . . . . 8
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12 | 11 | a1i 9 |
. . . . . . 7
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13 | 7, 12 | jaod 678 |
. . . . . 6
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14 | 4, 13 | syl5bi 151 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
15 | 3, 14 | syl5bi 151 |
. . . 4
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16 | 15 | con3d 601 |
. . 3
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17 | 16 | rgen 2444 |
. 2
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18 | ax-bdel 12600 |
. . . 4
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19 | 18 | ax-bdn 12596 |
. . 3
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20 | nfv 1476 |
. . 3
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21 | nfv 1476 |
. . 3
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22 | nfv 1476 |
. . 3
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23 | eleq1 2162 |
. . . . . 6
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24 | eleq2 2163 |
. . . . . 6
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25 | 23, 24 | bitrd 187 |
. . . . 5
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26 | 25 | notbid 633 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
27 | 26 | biimprd 157 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
28 | elequ1 1658 |
. . . . . 6
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29 | elequ2 1659 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
30 | 28, 29 | bitrd 187 |
. . . . 5
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31 | 30 | notbid 633 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
32 | 31 | biimpd 143 |
. . 3
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33 | eleq1 2162 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
34 | eleq2 2163 |
. . . . . 6
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35 | 33, 34 | bitrd 187 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
36 | 35 | notbid 633 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
37 | 36 | biimprd 157 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
38 | nfcv 2240 |
. . 3
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39 | nfv 1476 |
. . 3
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40 | eleq1 2162 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
41 | eleq2 2163 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
42 | 40, 41 | bitrd 187 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
43 | 42 | notbid 633 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
44 | 43 | biimpd 143 |
. . 3
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45 | 19, 20, 21, 22, 27, 32, 37, 38, 39, 44 | bj-bdfindisg 12731 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
46 | 1, 17, 45 | mp2an 420 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 584 ax-in2 585 ax-io 671 ax-5 1391 ax-7 1392 ax-gen 1393 ax-ie1 1437 ax-ie2 1438 ax-8 1450 ax-10 1451 ax-11 1452 ax-i12 1453 ax-bndl 1454 ax-4 1455 ax-13 1459 ax-14 1460 ax-17 1474 ax-i9 1478 ax-ial 1482 ax-i5r 1483 ax-ext 2082 ax-nul 3994 ax-pr 4069 ax-un 4293 ax-bd0 12592 ax-bdor 12595 ax-bdn 12596 ax-bdal 12597 ax-bdex 12598 ax-bdeq 12599 ax-bdel 12600 ax-bdsb 12601 ax-bdsep 12663 ax-infvn 12724 |
This theorem depends on definitions: df-bi 116 df-tru 1302 df-nf 1405 df-sb 1704 df-clab 2087 df-cleq 2093 df-clel 2096 df-nfc 2229 df-ral 2380 df-rex 2381 df-rab 2384 df-v 2643 df-dif 3023 df-un 3025 df-in 3027 df-ss 3034 df-nul 3311 df-sn 3480 df-pr 3481 df-uni 3684 df-int 3719 df-suc 4231 df-iom 4443 df-bdc 12620 df-bj-ind 12710 |
This theorem is referenced by: bj-nnen2lp 12737 |
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