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Mirrors > Home > ILE Home > Th. List > eqord1 | Unicode version |
Description: A strictly increasing real function on a subset of is one-to-one. (Contributed by Mario Carneiro, 14-Jun-2014.) (Revised by Jim Kingdon, 20-Dec-2022.) |
Ref | Expression |
---|---|
ltord.1 | |
ltord.2 | |
ltord.3 | |
ltord.4 | |
ltord.5 | |
ltord.6 |
Ref | Expression |
---|---|
eqord1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simprl 521 | . . . . . 6 | |
2 | elisset 2735 | . . . . . 6 | |
3 | 1, 2 | syl 14 | . . . . 5 |
4 | 3 | adantr 274 | . . . 4 |
5 | ltord.2 | . . . . . 6 | |
6 | 5 | adantl 275 | . . . . 5 |
7 | eqeq2 2174 | . . . . . . . 8 | |
8 | 7 | adantl 275 | . . . . . . 7 |
9 | 8 | biimpa 294 | . . . . . 6 |
10 | ltord.3 | . . . . . 6 | |
11 | 9, 10 | syl 14 | . . . . 5 |
12 | 6, 11 | eqtr3d 2199 | . . . 4 |
13 | 4, 12 | exlimddv 1885 | . . 3 |
14 | 13 | ex 114 | . 2 |
15 | ltord.1 | . . . . . 6 | |
16 | ltord.4 | . . . . . 6 | |
17 | ltord.5 | . . . . . 6 | |
18 | ltord.6 | . . . . . 6 | |
19 | 15, 5, 10, 16, 17, 18 | ltordlem 8371 | . . . . 5 |
20 | 19 | con3d 621 | . . . 4 |
21 | 15, 10, 5, 16, 17, 18 | ltordlem 8371 | . . . . . 6 |
22 | 21 | con3d 621 | . . . . 5 |
23 | 22 | ancom2s 556 | . . . 4 |
24 | 20, 23 | anim12d 333 | . . 3 |
25 | 17 | ralrimiva 2537 | . . . . . 6 |
26 | 5 | eleq1d 2233 | . . . . . . 7 |
27 | 26 | rspccva 2824 | . . . . . 6 |
28 | 25, 27 | sylan 281 | . . . . 5 |
29 | 28 | adantrr 471 | . . . 4 |
30 | 10 | eleq1d 2233 | . . . . . . 7 |
31 | 30 | rspccva 2824 | . . . . . 6 |
32 | 25, 31 | sylan 281 | . . . . 5 |
33 | 32 | adantrl 470 | . . . 4 |
34 | 29, 33 | lttri3d 8004 | . . 3 |
35 | 16, 1 | sseldi 3135 | . . . 4 |
36 | simprr 522 | . . . . 5 | |
37 | 16, 36 | sseldi 3135 | . . . 4 |
38 | 35, 37 | lttri3d 8004 | . . 3 |
39 | 24, 34, 38 | 3imtr4d 202 | . 2 |
40 | 14, 39 | impbid 128 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wb 104 wceq 1342 wex 1479 wcel 2135 wral 2442 wss 3111 class class class wbr 3976 cr 7743 clt 7924 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-13 2137 ax-14 2138 ax-ext 2146 ax-sep 4094 ax-pow 4147 ax-pr 4181 ax-un 4405 ax-setind 4508 ax-cnex 7835 ax-resscn 7836 ax-pre-ltirr 7856 ax-pre-apti 7859 |
This theorem depends on definitions: df-bi 116 df-3an 969 df-tru 1345 df-fal 1348 df-nf 1448 df-sb 1750 df-eu 2016 df-mo 2017 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ne 2335 df-nel 2430 df-ral 2447 df-rex 2448 df-rab 2451 df-v 2723 df-dif 3113 df-un 3115 df-in 3117 df-ss 3124 df-pw 3555 df-sn 3576 df-pr 3577 df-op 3579 df-uni 3784 df-br 3977 df-opab 4038 df-xp 4604 df-pnf 7926 df-mnf 7927 df-ltxr 7929 |
This theorem is referenced by: eqord2 8373 reef11 11626 nninfdclemf1 12324 |
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