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| Description: Equality theorem for image. |
| Ref | Expression |
|---|---|
| imaeq2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reseq2 3353 |
. . 3
| |
| 2 | 1 | rneqd 3330 |
. 2
|
| 3 | df-ima 3181 |
. 2
| |
| 4 | df-ima 3181 |
. 2
| |
| 5 | 2, 3, 4 | 3eqtr4g 1523 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: imaeq2d 3388 relimasn 3409 dmco2 3490 funimaexg 3561 fnima 3590 foima 3661 f1imacnv 3690 fvprc 3706 ssimaex 3753 ssimaexg 3754 rdglimt 3933 tz7.49 3944 sbthlem2 4428 sbth 4437 ssenen 4484 phplem4 4491 php3 4495 unifi 4532 fiint 4534 fodomfi 4540 unir1 4639 zorn2lem6 4765 zorn2lem7 4766 cnima 7706 iscncl 7709 cnclima 7710 cnsscnp 7711 metcnp 7826 oooeqim2 10371 mapudiscn 10399 cmphmp 10408 homcard 10426 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-sep 2693 ax-pow 2732 ax-pr 2769 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-v 1803 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-nul 2271 df-pw 2392 df-sn 2402 df-pr 2403 df-op 2406 df-br 2610 df-opab 2657 df-xp 3174 df-cnv 3176 df-dm 3178 df-rn 3179 df-res 3180 df-ima 3181 |