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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 9476 |
. . . . . . . . 9
| |
| 3 | elnn0uz 9855 |
. . . . . . . . 9
| |
| 4 | 2, 3 | mpbi 145 |
. . . . . . . 8
|
| 5 | 3nn0 9479 |
. . . . . . . . . . 11
| |
| 6 | elnn0uz 9855 |
. . . . . . . . . . 11
| |
| 7 | 5, 6 | mpbi 145 |
. . . . . . . . . 10
|
| 8 | uzss 9838 |
. . . . . . . . . 10
| |
| 9 | 7, 8 | ax-mp 5 |
. . . . . . . . 9
|
| 10 | 9 | sseli 3224 |
. . . . . . . 8
|
| 11 | eluzfz 10317 |
. . . . . . . 8
| |
| 12 | 4, 10, 11 | sylancr 414 |
. . . . . . 7
|
| 13 | 12 | adantr 276 |
. . . . . 6
|
| 14 | 1, 13 | ffvelcdmd 5791 |
. . . . 5
|
| 15 | risset 2561 |
. . . . . 6
| |
| 16 | eqcom 2233 |
. . . . . . 7
| |
| 17 | 16 | rexbii 2540 |
. . . . . 6
|
| 18 | 15, 17 | bitri 184 |
. . . . 5
|
| 19 | 14, 18 | sylib 122 |
. . . 4
|
| 20 | 1eluzge0 9869 |
. . . . . . . 8
| |
| 21 | 1z 9566 |
. . . . . . . . . . 11
| |
| 22 | 3z 9569 |
. . . . . . . . . . 11
| |
| 23 | 1le3 9414 |
. . . . . . . . . . 11
| |
| 24 | eluz2 9822 |
. . . . . . . . . . 11
| |
| 25 | 21, 22, 23, 24 | mpbir3an 1206 |
. . . . . . . . . 10
|
| 26 | uzss 9838 |
. . . . . . . . . 10
| |
| 27 | 25, 26 | ax-mp 5 |
. . . . . . . . 9
|
| 28 | 27 | sseli 3224 |
. . . . . . . 8
|
| 29 | eluzfz 10317 |
. . . . . . . 8
| |
| 30 | 20, 28, 29 | sylancr 414 |
. . . . . . 7
|
| 31 | 30 | adantr 276 |
. . . . . 6
|
| 32 | 1, 31 | ffvelcdmd 5791 |
. . . . 5
|
| 33 | risset 2561 |
. . . . . 6
| |
| 34 | eqcom 2233 |
. . . . . . 7
| |
| 35 | 34 | rexbii 2540 |
. . . . . 6
|
| 36 | 33, 35 | bitri 184 |
. . . . 5
|
| 37 | 32, 36 | sylib 122 |
. . . 4
|
| 38 | 19, 37 | jca 306 |
. . 3
|
| 39 | 2eluzge0 9870 |
. . . . . . 7
| |
| 40 | uzuzle23 9857 |
. . . . . . 7
| |
| 41 | eluzfz 10317 |
. . . . . . 7
| |
| 42 | 39, 40, 41 | sylancr 414 |
. . . . . 6
|
| 43 | 42 | adantr 276 |
. . . . 5
|
| 44 | 1, 43 | ffvelcdmd 5791 |
. . . 4
|
| 45 | risset 2561 |
. . . . 5
| |
| 46 | eqcom 2233 |
. . . . . 6
| |
| 47 | 46 | rexbii 2540 |
. . . . 5
|
| 48 | 45, 47 | bitri 184 |
. . . 4
|
| 49 | 44, 48 | sylib 122 |
. . 3
|
| 50 | eluzfz 10317 |
. . . . . . 7
| |
| 51 | 7, 50 | mpan 424 |
. . . . . 6
|
| 52 | 51 | adantr 276 |
. . . . 5
|
| 53 | 1, 52 | ffvelcdmd 5791 |
. . . 4
|
| 54 | risset 2561 |
. . . . 5
| |
| 55 | eqcom 2233 |
. . . . . 6
| |
| 56 | 55 | rexbii 2540 |
. . . . 5
|
| 57 | 54, 56 | bitri 184 |
. . . 4
|
| 58 | 53, 57 | sylib 122 |
. . 3
|
| 59 | 38, 49, 58 | jca32 310 |
. 2
|
| 60 | r19.42v 2691 |
. . . . . 6
| |
| 61 | r19.42v 2691 |
. . . . . . 7
| |
| 62 | 61 | anbi2i 457 |
. . . . . 6
|
| 63 | 60, 62 | bitri 184 |
. . . . 5
|
| 64 | 63 | rexbii 2540 |
. . . 4
|
| 65 | 64 | 2rexbii 2542 |
. . 3
|
| 66 | r19.42v 2691 |
. . . . 5
| |
| 67 | r19.41v 2690 |
. . . . . 6
| |
| 68 | 67 | anbi2i 457 |
. . . . 5
|
| 69 | 66, 68 | bitri 184 |
. . . 4
|
| 70 | 69 | 2rexbii 2542 |
. . 3
|
| 71 | r19.41v 2690 |
. . . . . 6
| |
| 72 | r19.42v 2691 |
. . . . . . 7
| |
| 73 | 72 | anbi1i 458 |
. . . . . 6
|
| 74 | 71, 73 | bitri 184 |
. . . . 5
|
| 75 | 74 | rexbii 2540 |
. . . 4
|
| 76 | r19.41v 2690 |
. . . 4
| |
| 77 | r19.41v 2690 |
. . . . 5
| |
| 78 | 77 | anbi1i 458 |
. . . 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 |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8183 ax-resscn 8184 ax-1cn 8185 ax-1re 8186 ax-icn 8187 ax-addcl 8188 ax-addrcl 8189 ax-mulcl 8190 ax-addcom 8192 ax-addass 8194 ax-distr 8196 ax-i2m1 8197 ax-0lt1 8198 ax-0id 8200 ax-rnegex 8201 ax-cnre 8203 ax-pre-ltirr 8204 ax-pre-ltwlin 8205 ax-pre-lttrn 8206 ax-pre-ltadd 8208 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-pnf 8275 df-mnf 8276 df-xr 8277 df-ltxr 8278 df-le 8279 df-sub 8411 df-neg 8412 df-inn 9203 df-2 9261 df-3 9262 df-n0 9462 df-z 9541 df-uz 9817 df-fz 10306 |
| This theorem is referenced by: (None) |
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