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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 6576. (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 | onsuc 4628 |
. . . 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 6568 |
. . 3
|
| 9 | vex 2818 |
. . . . . 6
| |
| 10 | 9 | elsuc 4532 |
. . . . 5
|
| 11 | vex 2818 |
. . . . . . . . . . 11
| |
| 12 | 4, 11 | tfrlem3a 6554 |
. . . . . . . . . 10
|
| 13 | 7, 12 | sylib 122 |
. . . . . . . . 9
|
| 14 | simprrr 542 |
. . . . . . . . . 10
| |
| 15 | simprrl 541 |
. . . . . . . . . . . 12
| |
| 16 | 6 | adantr 276 |
. . . . . . . . . . . 12
|
| 17 | fndmu 5464 |
. . . . . . . . . . . 12
| |
| 18 | 15, 16, 17 | syl2anc 411 |
. . . . . . . . . . 11
|
| 19 | 18 | raleqdv 2749 |
. . . . . . . . . 10
|
| 20 | 14, 19 | mpbid 147 |
. . . . . . . . 9
|
| 21 | 13, 20 | rexlimddv 2667 |
. . . . . . . 8
|
| 22 | 21 | r19.21bi 2632 |
. . . . . . 7
|
| 23 | elirrv 4675 |
. . . . . . . . . . 11
| |
| 24 | elequ2 2210 |
. . . . . . . . . . 11
| |
| 25 | 23, 24 | mtbiri 682 |
. . . . . . . . . 10
|
| 26 | 25 | necon2ai 2468 |
. . . . . . . . 9
|
| 27 | 26 | adantl 277 |
. . . . . . . 8
|
| 28 | fvunsng 5883 |
. . . . . . . 8
| |
| 29 | 9, 27, 28 | sylancr 414 |
. . . . . . 7
|
| 30 | eloni 4501 |
. . . . . . . . . . . 12
| |
| 31 | 1, 30 | syl 14 |
. . . . . . . . . . 11
|
| 32 | ordelss 4505 |
. . . . . . . . . . 11
| |
| 33 | 31, 32 | sylan 283 |
. . . . . . . . . 10
|
| 34 | resabs1 5072 |
. . . . . . . . . 10
| |
| 35 | 33, 34 | syl 14 |
. . . . . . . . 9
|
| 36 | elirrv 4675 |
. . . . . . . . . . . 12
| |
| 37 | fsnunres 5891 |
. . . . . . . . . . . 12
| |
| 38 | 6, 36, 37 | sylancl 413 |
. . . . . . . . . . 11
|
| 39 | 38 | reseq1d 5042 |
. . . . . . . . . 10
|
| 40 | 39 | adantr 276 |
. . . . . . . . 9
|
| 41 | 35, 40 | eqtr3d 2269 |
. . . . . . . 8
|
| 42 | 41 | fveq2d 5679 |
. . . . . . 7
|
| 43 | 22, 29, 42 | 3eqtr4d 2277 |
. . . . . 6
|
| 44 | 5 | tfrlem3-2d 6556 |
. . . . . . . . . 10
|
| 45 | 44 | simprd 114 |
. . . . . . . . 9
|
| 46 | fndm 5460 |
. . . . . . . . . . . 12
| |
| 47 | 6, 46 | syl 14 |
. . . . . . . . . . 11
|
| 48 | 47 | eleq2d 2304 |
. . . . . . . . . 10
|
| 49 | 36, 48 | mtbiri 682 |
. . . . . . . . 9
|
| 50 | fsnunfv 5890 |
. . . . . . . . 9
| |
| 51 | 1, 45, 49, 50 | syl3anc 1274 |
. . . . . . . 8
|
| 52 | 51 | adantr 276 |
. . . . . . 7
|
| 53 | simpr 110 |
. . . . . . . 8
| |
| 54 | 53 | fveq2d 5679 |
. . . . . . 7
|
| 55 | reseq2 5038 |
. . . . . . . . 9
| |
| 56 | 55, 38 | sylan9eqr 2289 |
. . . . . . . 8
|
| 57 | 56 | fveq2d 5679 |
. . . . . . 7
|
| 58 | 52, 54, 57 | 3eqtr4d 2277 |
. . . . . 6
|
| 59 | 43, 58 | jaodan 805 |
. . . . 5
|
| 60 | 10, 59 | sylan2b 287 |
. . . 4
|
| 61 | 60 | ralrimiva 2617 |
. . 3
|
| 62 | fneq2 5450 |
. . . . 5
| |
| 63 | raleq 2743 |
. . . . 5
| |
| 64 | 62, 63 | anbi12d 473 |
. . . 4
|
| 65 | 64 | rspcev 2923 |
. . 3
|
| 66 | 3, 8, 61, 65 | syl12anc 1272 |
. 2
|
| 67 | vex 2818 |
. . . . . 6
| |
| 68 | opexg 4349 |
. . . . . 6
| |
| 69 | 67, 45, 68 | sylancr 414 |
. . . . 5
|
| 70 | snexg 4302 |
. . . . 5
| |
| 71 | 69, 70 | syl 14 |
. . . 4
|
| 72 | unexg 4569 |
. . . 4
| |
| 73 | 11, 71, 72 | sylancr 414 |
. . 3
|
| 74 | 4 | tfrlem3ag 6553 |
. . 3
|
| 75 | 73, 74 | syl 14 |
. 2
|
| 76 | 66, 75 | mpbird 167 |
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 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-v 2817 df-sbc 3046 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-opab 4177 df-tr 4214 df-id 4419 df-iord 4492 df-on 4494 df-suc 4497 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-res 4766 df-iota 5317 df-fun 5359 df-fn 5360 df-fv 5365 |
| This theorem is referenced by: tfrlemibacc 6570 tfrlemi14d 6577 |
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