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| Mirrors > Home > ILE Home > Th. List > tfrlemisucaccv | Unicode version | ||
| Description: We can extend an acceptable function by one element to produce an acceptable function. Lemma for tfrlemi1 5946. (Contributed by Jim Kingdon, 4-Mar-2019.) (Proof shortened by Mario Carneiro, 24-May-2019.) |
| Ref | Expression |
|---|---|
| tfrlemisucfn.1 |
|
| tfrlemisucfn.2 |
|
| tfrlemisucfn.3 |
|
| tfrlemisucfn.4 |
|
| tfrlemisucfn.5 |
|
| Ref | Expression |
|---|---|
| tfrlemisucaccv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tfrlemisucfn.3 |
. . . 4
| |
| 2 | suceloni 4227 |
. . . 4
| |
| 3 | 1, 2 | syl 14 |
. . 3
|
| 4 | tfrlemisucfn.1 |
. . . 4
| |
| 5 | tfrlemisucfn.2 |
. . . 4
| |
| 6 | tfrlemisucfn.4 |
. . . 4
| |
| 7 | tfrlemisucfn.5 |
. . . 4
| |
| 8 | 4, 5, 1, 6, 7 | tfrlemisucfn 5938 |
. . 3
|
| 9 | vex 2560 |
. . . . . 6
| |
| 10 | 9 | elsuc 4143 |
. . . . 5
|
| 11 | vex 2560 |
. . . . . . . . . . 11
| |
| 12 | 4, 11 | tfrlem3a 5925 |
. . . . . . . . . 10
|
| 13 | 7, 12 | sylib 127 |
. . . . . . . . 9
|
| 14 | simprrr 492 |
. . . . . . . . . 10
| |
| 15 | simprrl 491 |
. . . . . . . . . . . 12
| |
| 16 | 6 | adantr 261 |
. . . . . . . . . . . 12
|
| 17 | fndmu 5000 |
. . . . . . . . . . . 12
| |
| 18 | 15, 16, 17 | syl2anc 391 |
. . . . . . . . . . 11
|
| 19 | 18 | raleqdv 2511 |
. . . . . . . . . 10
|
| 20 | 14, 19 | mpbid 135 |
. . . . . . . . 9
|
| 21 | 13, 20 | rexlimddv 2437 |
. . . . . . . 8
|
| 22 | 21 | r19.21bi 2407 |
. . . . . . 7
|
| 23 | elirrv 4272 |
. . . . . . . . . . 11
| |
| 24 | elequ2 1601 |
. . . . . . . . . . 11
| |
| 25 | 23, 24 | mtbiri 600 |
. . . . . . . . . 10
|
| 26 | 25 | necon2ai 2259 |
. . . . . . . . 9
|
| 27 | 26 | adantl 262 |
. . . . . . . 8
|
| 28 | fvunsng 5357 |
. . . . . . . 8
| |
| 29 | 9, 27, 28 | sylancr 393 |
. . . . . . 7
|
| 30 | eloni 4112 |
. . . . . . . . . . . 12
| |
| 31 | 1, 30 | syl 14 |
. . . . . . . . . . 11
|
| 32 | ordelss 4116 |
. . . . . . . . . . 11
| |
| 33 | 31, 32 | sylan 267 |
. . . . . . . . . 10
|
| 34 | resabs1 4640 |
. . . . . . . . . 10
| |
| 35 | 33, 34 | syl 14 |
. . . . . . . . 9
|
| 36 | elirrv 4272 |
. . . . . . . . . . . 12
| |
| 37 | fsnunres 5364 |
. . . . . . . . . . . 12
| |
| 38 | 6, 36, 37 | sylancl 392 |
. . . . . . . . . . 11
|
| 39 | 38 | reseq1d 4611 |
. . . . . . . . . 10
|
| 40 | 39 | adantr 261 |
. . . . . . . . 9
|
| 41 | 35, 40 | eqtr3d 2074 |
. . . . . . . 8
|
| 42 | 41 | fveq2d 5182 |
. . . . . . 7
|
| 43 | 22, 29, 42 | 3eqtr4d 2082 |
. . . . . 6
|
| 44 | 5 | tfrlem3-2d 5928 |
. . . . . . . . . 10
|
| 45 | 44 | simprd 107 |
. . . . . . . . 9
|
| 46 | fndm 4998 |
. . . . . . . . . . . 12
| |
| 47 | 6, 46 | syl 14 |
. . . . . . . . . . 11
|
| 48 | 47 | eleq2d 2107 |
. . . . . . . . . 10
|
| 49 | 36, 48 | mtbiri 600 |
. . . . . . . . 9
|
| 50 | fsnunfv 5363 |
. . . . . . . . 9
| |
| 51 | 1, 45, 49, 50 | syl3anc 1135 |
. . . . . . . 8
|
| 52 | 51 | adantr 261 |
. . . . . . 7
|
| 53 | simpr 103 |
. . . . . . . 8
| |
| 54 | 53 | fveq2d 5182 |
. . . . . . 7
|
| 55 | reseq2 4607 |
. . . . . . . . 9
| |
| 56 | 55, 38 | sylan9eqr 2094 |
. . . . . . . 8
|
| 57 | 56 | fveq2d 5182 |
. . . . . . 7
|
| 58 | 52, 54, 57 | 3eqtr4d 2082 |
. . . . . 6
|
| 59 | 43, 58 | jaodan 710 |
. . . . 5
|
| 60 | 10, 59 | sylan2b 271 |
. . . 4
|
| 61 | 60 | ralrimiva 2392 |
. . 3
|
| 62 | fneq2 4988 |
. . . . 5
| |
| 63 | raleq 2505 |
. . . . 5
| |
| 64 | 62, 63 | anbi12d 442 |
. . . 4
|
| 65 | 64 | rspcev 2656 |
. . 3
|
| 66 | 3, 8, 61, 65 | syl12anc 1133 |
. 2
|
| 67 | vex 2560 |
. . . . . 6
| |
| 68 | opexg 3964 |
. . . . . 6
| |
| 69 | 67, 45, 68 | sylancr 393 |
. . . . 5
|
| 70 | snexg 3936 |
. . . . 5
| |
| 71 | 69, 70 | syl 14 |
. . . 4
|
| 72 | unexg 4178 |
. . . 4
| |
| 73 | 11, 71, 72 | sylancr 393 |
. . 3
|
| 74 | 4 | tfrlem3ag 5924 |
. . 3
|
| 75 | 73, 74 | syl 14 |
. 2
|
| 76 | 66, 75 | mpbird 156 |
1
|
| 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 99 ax-ia2 100 ax-ia3 101 ax-in1 544 ax-in2 545 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-13 1404 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-sep 3875 ax-pow 3927 ax-pr 3944 ax-un 4170 ax-setind 4262 |
| This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-fal 1249 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ne 2206 df-ral 2311 df-rex 2312 df-v 2559 df-sbc 2765 df-dif 2920 df-un 2922 df-in 2924 df-ss 2931 df-nul 3225 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-uni 3581 df-br 3765 df-opab 3819 df-tr 3855 df-id 4030 df-iord 4103 df-on 4105 df-suc 4108 df-xp 4351 df-rel 4352 df-cnv 4353 df-co 4354 df-dm 4355 df-res 4357 df-iota 4867 df-fun 4904 df-fn 4905 df-fv 4910 |
| This theorem is referenced by: tfrlemibacc 5940 tfrlemi14d 5947 |
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