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Mirrors > Home > MPE Home > Th. List > imaeq2 | Structured version Visualization version GIF version |
Description: Equality theorem for image. (Contributed by NM, 14-Aug-1994.) |
Ref | Expression |
---|---|
imaeq2 | ⊢ (𝐴 = 𝐵 → (𝐶 “ 𝐴) = (𝐶 “ 𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reseq2 5312 | . . 3 ⊢ (𝐴 = 𝐵 → (𝐶 ↾ 𝐴) = (𝐶 ↾ 𝐵)) | |
2 | 1 | rneqd 5274 | . 2 ⊢ (𝐴 = 𝐵 → ran (𝐶 ↾ 𝐴) = ran (𝐶 ↾ 𝐵)) |
3 | df-ima 5051 | . 2 ⊢ (𝐶 “ 𝐴) = ran (𝐶 ↾ 𝐴) | |
4 | df-ima 5051 | . 2 ⊢ (𝐶 “ 𝐵) = ran (𝐶 ↾ 𝐵) | |
5 | 2, 3, 4 | 3eqtr4g 2669 | 1 ⊢ (𝐴 = 𝐵 → (𝐶 “ 𝐴) = (𝐶 “ 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ran crn 5039 ↾ cres 5040 “ cima 5041 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-br 4584 df-opab 4644 df-xp 5044 df-cnv 5046 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 |
This theorem is referenced by: imaeq2i 5383 imaeq2d 5385 relimasn 5407 funimaexg 5889 ssimaex 6173 ssimaexg 6174 isoselem 6491 isowe2 6500 f1opw2 6786 fnse 7181 supp0cosupp0 7221 tz7.49 7427 ecexr 7634 fopwdom 7953 sbthlem2 7956 sbth 7965 ssenen 8019 domunfican 8118 fodomfi 8124 f1opwfi 8153 fipreima 8155 marypha1lem 8222 ordtypelem2 8307 ordtypelem3 8308 ordtypelem9 8314 dfac12lem2 8849 dfac12r 8851 ackbij2lem2 8945 ackbij2lem3 8946 r1om 8949 enfin2i 9026 zorn2lem6 9206 zorn2lem7 9207 isacs5lem 16992 acsdrscl 16993 gicsubgen 17544 efgrelexlema 17985 tgcn 20866 subbascn 20868 iscnp4 20877 cnpnei 20878 cnima 20879 iscncl 20883 cncls 20888 cnconst2 20897 cnrest2 20900 cnprest 20903 cnindis 20906 cncmp 21005 cmpfi 21021 2ndcomap 21071 ptbasfi 21194 xkoopn 21202 xkoccn 21232 txcnp 21233 ptcnplem 21234 txcnmpt 21237 ptrescn 21252 xkoco1cn 21270 xkoco2cn 21271 xkococn 21273 xkoinjcn 21300 elqtop 21310 qtopomap 21331 qtopcmap 21332 ordthmeolem 21414 fbasrn 21498 elfm 21561 elfm2 21562 elfm3 21564 imaelfm 21565 rnelfmlem 21566 rnelfm 21567 fmfnfmlem2 21569 fmfnfmlem3 21570 fmfnfmlem4 21571 fmco 21575 flffbas 21609 lmflf 21619 fcfneii 21651 ptcmplem3 21668 ptcmplem5 21670 ptcmpg 21671 cnextcn 21681 symgtgp 21715 ghmcnp 21728 eltsms 21746 tsmsf1o 21758 fmucnd 21906 ucnextcn 21918 metcnp3 22155 mbfdm 23201 ismbf 23203 mbfima 23205 ismbfd 23213 mbfimaopnlem 23228 mbfimaopn2 23230 i1fd 23254 ellimc2 23447 limcflf 23451 xrlimcnp 24495 ubthlem1 27110 disjpreima 28779 imadifxp 28796 qtophaus 29231 rrhre 29393 mbfmcnvima 29646 imambfm 29651 eulerpartgbij 29761 erdszelem1 30427 erdsze 30438 erdsze2lem2 30440 cvmscbv 30494 cvmsi 30501 cvmsval 30502 cvmliftlem15 30534 opelco3 30923 brimageg 31204 fnimage 31206 imageval 31207 fvimage 31208 filnetlem4 31546 ptrest 32578 ismtyhmeolem 32773 ismtybndlem 32775 heibor1lem 32778 lmhmfgima 36672 brtrclfv2 37038 csbfv12gALTVD 38157 icccncfext 38773 sge0f1o 39275 smfresal 39673 smfpimbor1lem1 39683 smfpimbor1lem2 39684 smfco 39687 |
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