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| Mirrors > Home > ILE Home > Th. List > 4fvwrd4 | Unicode version | ||
| Description: The first four function values of a word of length at least 4. (Contributed by Alexander van der Vekens, 18-Nov-2017.) |
| Ref | Expression |
|---|---|
| 4fvwrd4 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpr 110 |
. . . . . 6
| |
| 2 | 0nn0 9578 |
. . . . . . . . 9
| |
| 3 | elnn0uz 9960 |
. . . . . . . . 9
| |
| 4 | 2, 3 | mpbi 145 |
. . . . . . . 8
|
| 5 | 3nn0 9581 |
. . . . . . . . . . 11
| |
| 6 | elnn0uz 9960 |
. . . . . . . . . . 11
| |
| 7 | 5, 6 | mpbi 145 |
. . . . . . . . . 10
|
| 8 | uzss 9943 |
. . . . . . . . . 10
| |
| 9 | 7, 8 | ax-mp 5 |
. . . . . . . . 9
|
| 10 | 9 | sseli 3244 |
. . . . . . . 8
|
| 11 | eluzfz 10423 |
. . . . . . . 8
| |
| 12 | 4, 10, 11 | sylancr 418 |
. . . . . . 7
|
| 13 | 12 | adantr 276 |
. . . . . 6
|
| 14 | 1, 13 | ffvelcdmd 5844 |
. . . . 5
|
| 15 | risset 2578 |
. . . . . 6
| |
| 16 | eqcom 2240 |
. . . . . . 7
| |
| 17 | 16 | rexbii 2557 |
. . . . . 6
|
| 18 | 15, 17 | bitri 184 |
. . . . 5
|
| 19 | 14, 18 | sylib 122 |
. . . 4
|
| 20 | 1eluzge0 9974 |
. . . . . . . 8
| |
| 21 | 1z 9670 |
. . . . . . . . . . 11
| |
| 22 | 3z 9673 |
. . . . . . . . . . 11
| |
| 23 | 1le3 9516 |
. . . . . . . . . . 11
| |
| 24 | eluz2 9927 |
. . . . . . . . . . 11
| |
| 25 | 21, 22, 23, 24 | mpbir3an 1210 |
. . . . . . . . . 10
|
| 26 | uzss 9943 |
. . . . . . . . . 10
| |
| 27 | 25, 26 | ax-mp 5 |
. . . . . . . . 9
|
| 28 | 27 | sseli 3244 |
. . . . . . . 8
|
| 29 | eluzfz 10423 |
. . . . . . . 8
| |
| 30 | 20, 28, 29 | sylancr 418 |
. . . . . . 7
|
| 31 | 30 | adantr 276 |
. . . . . 6
|
| 32 | 1, 31 | ffvelcdmd 5844 |
. . . . 5
|
| 33 | risset 2578 |
. . . . . 6
| |
| 34 | eqcom 2240 |
. . . . . . 7
| |
| 35 | 34 | rexbii 2557 |
. . . . . 6
|
| 36 | 33, 35 | bitri 184 |
. . . . 5
|
| 37 | 32, 36 | sylib 122 |
. . . 4
|
| 38 | 19, 37 | jca 306 |
. . 3
|
| 39 | 2eluzge0 9975 |
. . . . . . 7
| |
| 40 | uzuzle23 9962 |
. . . . . . 7
| |
| 41 | eluzfz 10423 |
. . . . . . 7
| |
| 42 | 39, 40, 41 | sylancr 418 |
. . . . . 6
|
| 43 | 42 | adantr 276 |
. . . . 5
|
| 44 | 1, 43 | ffvelcdmd 5844 |
. . . 4
|
| 45 | risset 2578 |
. . . . 5
| |
| 46 | eqcom 2240 |
. . . . . 6
| |
| 47 | 46 | rexbii 2557 |
. . . . 5
|
| 48 | 45, 47 | bitri 184 |
. . . 4
|
| 49 | 44, 48 | sylib 122 |
. . 3
|
| 50 | eluzfz 10423 |
. . . . . . 7
| |
| 51 | 7, 50 | mpan 428 |
. . . . . 6
|
| 52 | 51 | adantr 276 |
. . . . 5
|
| 53 | 1, 52 | ffvelcdmd 5844 |
. . . 4
|
| 54 | risset 2578 |
. . . . 5
| |
| 55 | eqcom 2240 |
. . . . . 6
| |
| 56 | 55 | rexbii 2557 |
. . . . 5
|
| 57 | 54, 56 | bitri 184 |
. . . 4
|
| 58 | 53, 57 | sylib 122 |
. . 3
|
| 59 | 38, 49, 58 | jca32 310 |
. 2
|
| 60 | r19.42v 2708 |
. . . . . 6
| |
| 61 | r19.42v 2708 |
. . . . . . 7
| |
| 62 | 61 | anbi2i 461 |
. . . . . 6
|
| 63 | 60, 62 | bitri 184 |
. . . . 5
|
| 64 | 63 | rexbii 2557 |
. . . 4
|
| 65 | 64 | 2rexbii 2559 |
. . 3
|
| 66 | r19.42v 2708 |
. . . . 5
| |
| 67 | r19.41v 2707 |
. . . . . 6
| |
| 68 | 67 | anbi2i 461 |
. . . . 5
|
| 69 | 66, 68 | bitri 184 |
. . . 4
|
| 70 | 69 | 2rexbii 2559 |
. . 3
|
| 71 | r19.41v 2707 |
. . . . . 6
| |
| 72 | r19.42v 2708 |
. . . . . . 7
| |
| 73 | 72 | anbi1i 462 |
. . . . . 6
|
| 74 | 71, 73 | bitri 184 |
. . . . 5
|
| 75 | 74 | rexbii 2557 |
. . . 4
|
| 76 | r19.41v 2707 |
. . . 4
| |
| 77 | r19.41v 2707 |
. . . . 5
| |
| 78 | 77 | anbi1i 462 |
. . . 4
|
| 79 | 75, 76, 78 | 3bitri 206 |
. . 3
|
| 80 | 65, 70, 79 | 3bitri 206 |
. 2
|
| 81 | 59, 80 | sylibr 134 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-addcom 8279 ax-addass 8281 ax-distr 8283 ax-i2m1 8284 ax-0lt1 8285 ax-0id 8287 ax-rnegex 8288 ax-cnre 8290 ax-pre-ltirr 8291 ax-pre-ltwlin 8292 ax-pre-lttrn 8293 ax-pre-ltadd 8295 |
| This proof depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-pnf 8362 df-mnf 8363 df-xr 8364 df-ltxr 8365 df-le 8366 df-sub 8499 df-neg 8500 df-inn 9305 df-2 9363 df-3 9364 df-n0 9564 df-z 9645 df-uz 9922 df-fz 10412 |
| This theorem is used by: (None) |
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