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Mirrors > Home > MPE Home > Th. List > fsnunfv | Structured version Visualization version Unicode version |
Description: Recover the added point from a point-added function. (Contributed by Stefan O'Rear, 28-Feb-2015.) (Revised by NM, 18-May-2017.) |
Ref | Expression |
---|---|
fsnunfv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dmres 5419 | . . . . . . . . 9 | |
2 | incom 3805 | . . . . . . . . 9 | |
3 | 1, 2 | eqtri 2644 | . . . . . . . 8 |
4 | disjsn 4246 | . . . . . . . . 9 | |
5 | 4 | biimpri 218 | . . . . . . . 8 |
6 | 3, 5 | syl5eq 2668 | . . . . . . 7 |
7 | 6 | 3ad2ant3 1084 | . . . . . 6 |
8 | relres 5426 | . . . . . . 7 | |
9 | reldm0 5343 | . . . . . . 7 | |
10 | 8, 9 | ax-mp 5 | . . . . . 6 |
11 | 7, 10 | sylibr 224 | . . . . 5 |
12 | fnsng 5938 | . . . . . . 7 | |
13 | 12 | 3adant3 1081 | . . . . . 6 |
14 | fnresdm 6000 | . . . . . 6 | |
15 | 13, 14 | syl 17 | . . . . 5 |
16 | 11, 15 | uneq12d 3768 | . . . 4 |
17 | resundir 5411 | . . . 4 | |
18 | uncom 3757 | . . . . 5 | |
19 | un0 3967 | . . . . 5 | |
20 | 18, 19 | eqtr2i 2645 | . . . 4 |
21 | 16, 17, 20 | 3eqtr4g 2681 | . . 3 |
22 | 21 | fveq1d 6193 | . 2 |
23 | snidg 4206 | . . . 4 | |
24 | 23 | 3ad2ant1 1082 | . . 3 |
25 | fvres 6207 | . . 3 | |
26 | 24, 25 | syl 17 | . 2 |
27 | fvsng 6447 | . . 3 | |
28 | 27 | 3adant3 1081 | . 2 |
29 | 22, 26, 28 | 3eqtr3d 2664 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 w3a 1037 wceq 1483 wcel 1990 cun 3572 cin 3573 c0 3915 csn 4177 cop 4183 cdm 5114 cres 5116 wrel 5119 wfn 5883 cfv 5888 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-res 5126 df-iota 5851 df-fun 5890 df-fn 5891 df-fv 5896 |
This theorem is referenced by: hashf1lem1 13239 cats1un 13475 fvsetsid 15890 islindf4 20177 wlkp1lem3 26572 wlkp1lem7 26576 wlkp1lem8 26577 eupth2eucrct 27077 mapfzcons2 37282 fnchoice 39188 nnsum4primeseven 41688 nnsum4primesevenALTV 41689 |
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