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Mirrors > Home > ILE Home > Th. List > nnwetri | Unicode version |
Description: A natural number is
well-ordered by ![]() ![]() |
Ref | Expression |
---|---|
nnwetri |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnord 4485 |
. . 3
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2 | ordwe 4450 |
. . 3
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3 | 1, 2 | syl 14 |
. 2
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4 | simprl 503 |
. . . . 5
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5 | simpl 108 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
6 | elnn 4479 |
. . . . 5
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7 | 4, 5, 6 | syl2anc 406 |
. . . 4
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8 | simprr 504 |
. . . . 5
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9 | elnn 4479 |
. . . . 5
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10 | 8, 5, 9 | syl2anc 406 |
. . . 4
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11 | nntri3or 6343 |
. . . . 5
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12 | epel 4174 |
. . . . . 6
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13 | biid 170 |
. . . . . 6
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14 | epel 4174 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
15 | 12, 13, 14 | 3orbi123i 1154 |
. . . . 5
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16 | 11, 15 | sylibr 133 |
. . . 4
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17 | 7, 10, 16 | syl2anc 406 |
. . 3
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18 | 17 | ralrimivva 2488 |
. 2
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19 | 3, 18 | jca 302 |
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 586 ax-in2 587 ax-io 681 ax-5 1406 ax-7 1407 ax-gen 1408 ax-ie1 1452 ax-ie2 1453 ax-8 1465 ax-10 1466 ax-11 1467 ax-i12 1468 ax-bndl 1469 ax-4 1470 ax-13 1474 ax-14 1475 ax-17 1489 ax-i9 1493 ax-ial 1497 ax-i5r 1498 ax-ext 2097 ax-sep 4006 ax-nul 4014 ax-pow 4058 ax-pr 4091 ax-un 4315 ax-setind 4412 ax-iinf 4462 |
This theorem depends on definitions: df-bi 116 df-3or 946 df-3an 947 df-tru 1317 df-nf 1420 df-sb 1719 df-eu 1978 df-mo 1979 df-clab 2102 df-cleq 2108 df-clel 2111 df-nfc 2244 df-ral 2395 df-rex 2396 df-v 2659 df-dif 3039 df-un 3041 df-in 3043 df-ss 3050 df-nul 3330 df-pw 3478 df-sn 3499 df-pr 3500 df-op 3502 df-uni 3703 df-int 3738 df-br 3896 df-opab 3950 df-tr 3987 df-eprel 4171 df-frfor 4213 df-frind 4214 df-wetr 4216 df-iord 4248 df-on 4250 df-suc 4253 df-iom 4465 |
This theorem is referenced by: (None) |
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