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Mirrors > Home > ILE Home > Th. List > tfrcllemsucfn | Unicode version |
Description: We can extend an acceptable function by one element to produce a function. Lemma for tfrcl 6417. (Contributed by Jim Kingdon, 24-Mar-2022.) |
Ref | Expression |
---|---|
tfrcl.f |
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tfrcl.g |
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tfrcl.x |
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tfrcl.ex |
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tfrcllemsucfn.1 |
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tfrcllemsucfn.3 |
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tfrcllemsucfn.4 |
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tfrcllemsucfn.5 |
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Ref | Expression |
---|---|
tfrcllemsucfn |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tfrcllemsucfn.4 |
. . 3
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2 | tfrcllemsucfn.3 |
. . . 4
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3 | 2 | elexd 2773 |
. . 3
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4 | tfrcl.x |
. . . . 5
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5 | ordelon 4414 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
6 | 4, 2, 5 | syl2anc 411 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
7 | eloni 4406 |
. . . 4
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8 | ordirr 4574 |
. . . 4
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9 | 6, 7, 8 | 3syl 17 |
. . 3
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10 | feq2 5387 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
11 | 10 | imbi1d 231 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
12 | 11 | albidv 1835 |
. . . . 5
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13 | tfrcl.ex |
. . . . . . . 8
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14 | 13 | 3expia 1207 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
15 | 14 | alrimiv 1885 |
. . . . . 6
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16 | 15 | ralrimiva 2567 |
. . . . 5
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17 | 12, 16, 2 | rspcdva 2869 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
18 | feq1 5386 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
19 | fveq2 5554 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
20 | 19 | eleq1d 2262 |
. . . . . 6
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21 | 18, 20 | imbi12d 234 |
. . . . 5
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22 | 21 | spv 1871 |
. . . 4
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23 | 17, 1, 22 | sylc 62 |
. . 3
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24 | fsnunf 5758 |
. . 3
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25 | 1, 3, 9, 23, 24 | syl121anc 1254 |
. 2
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26 | df-suc 4402 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
27 | 26 | feq2i 5397 |
. 2
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28 | 25, 27 | sylibr 134 |
1
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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 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-setind 4569 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-ral 2477 df-rex 2478 df-v 2762 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-nul 3447 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-br 4030 df-opab 4091 df-tr 4128 df-id 4324 df-iord 4397 df-on 4399 df-suc 4402 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-iota 5215 df-fun 5256 df-fn 5257 df-f 5258 df-f1 5259 df-fo 5260 df-f1o 5261 df-fv 5262 |
This theorem is referenced by: tfrcllemsucaccv 6407 tfrcllembfn 6410 |
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