Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > uz11 | Unicode version |
Description: The upper integers function is one-to-one. (Contributed by NM, 12-Dec-2005.) |
Ref | Expression |
---|---|
uz11 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | uzid 8633 | . . . . 5 | |
2 | eleq2 2142 | . . . . . 6 | |
3 | eluzel2 8624 | . . . . . 6 | |
4 | 2, 3 | syl6bi 161 | . . . . 5 |
5 | 1, 4 | mpan9 275 | . . . 4 |
6 | uzid 8633 | . . . . . . . . . . 11 | |
7 | eleq2 2142 | . . . . . . . . . . 11 | |
8 | 6, 7 | syl5ibr 154 | . . . . . . . . . 10 |
9 | eluzle 8631 | . . . . . . . . . 10 | |
10 | 8, 9 | syl6 33 | . . . . . . . . 9 |
11 | 1, 2 | syl5ib 152 | . . . . . . . . . 10 |
12 | eluzle 8631 | . . . . . . . . . 10 | |
13 | 11, 12 | syl6 33 | . . . . . . . . 9 |
14 | 10, 13 | anim12d 328 | . . . . . . . 8 |
15 | 14 | impl 372 | . . . . . . 7 |
16 | 15 | ancoms 264 | . . . . . 6 |
17 | 16 | anassrs 392 | . . . . 5 |
18 | zre 8355 | . . . . . . 7 | |
19 | zre 8355 | . . . . . . 7 | |
20 | letri3 7192 | . . . . . . 7 | |
21 | 18, 19, 20 | syl2an 283 | . . . . . 6 |
22 | 21 | adantlr 460 | . . . . 5 |
23 | 17, 22 | mpbird 165 | . . . 4 |
24 | 5, 23 | mpdan 412 | . . 3 |
25 | 24 | ex 113 | . 2 |
26 | fveq2 5198 | . 2 | |
27 | 25, 26 | impbid1 140 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wb 103 wceq 1284 wcel 1433 class class class wbr 3785 cfv 4922 cr 6980 cle 7154 cz 8351 cuz 8619 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-setind 4280 ax-cnex 7067 ax-resscn 7068 ax-pre-ltirr 7088 ax-pre-apti 7091 |
This theorem depends on definitions: df-bi 115 df-3or 920 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ne 2246 df-nel 2340 df-ral 2353 df-rex 2354 df-rab 2357 df-v 2603 df-sbc 2816 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-br 3786 df-opab 3840 df-mpt 3841 df-id 4048 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-rn 4374 df-res 4375 df-ima 4376 df-iota 4887 df-fun 4924 df-fn 4925 df-f 4926 df-fv 4930 df-ov 5535 df-pnf 7155 df-mnf 7156 df-xr 7157 df-ltxr 7158 df-le 7159 df-neg 7282 df-z 8352 df-uz 8620 |
This theorem is referenced by: fzopth 9079 |
Copyright terms: Public domain | W3C validator |