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| Description: Equality theorem for image. |
| Ref | Expression |
|---|---|
| imaeq2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reseq2 3361 |
. . 3
| |
| 2 | 1 | rneqd 3336 |
. 2
|
| 3 | df-ima 3186 |
. 2
| |
| 4 | df-ima 3186 |
. 2
| |
| 5 | 2, 3, 4 | 3eqtr4g 1528 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: imaeq2d 3396 relimasn 3417 dmco2 3496 funimaexg 3567 fnima 3596 foima 3667 f1imacnv 3696 fvprc 3712 ssimaex 3759 ssimaexg 3760 rdglimt 3939 tz7.49 3950 sbthlem2 4434 sbth 4443 ssenen 4490 phplem4 4497 php3 4501 unifi 4538 fiint 4540 fodomfi 4546 unir1 4647 zorn2lem6 4773 zorn2lem7 4774 cnima 7717 iscncl 7720 cnclima 7721 cnsscnp 7722 metcnp 7839 oooeqim2 10407 mapudiscn 10435 cmphmp 10444 homcard 10462 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-10 964 ax-11 965 ax-12 966 ax-13 967 ax-14 968 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 ax-sep 2698 ax-pow 2737 ax-pr 2774 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 979 df-sb 1170 df-eu 1380 df-mo 1381 df-clab 1462 df-cleq 1467 df-clel 1470 df-ne 1584 df-v 1808 df-dif 2045 df-un 2046 df-in 2047 df-ss 2049 df-nul 2277 df-pw 2398 df-sn 2408 df-pr 2409 df-op 2412 df-br 2615 df-opab 2662 df-xp 3179 df-cnv 3181 df-dm 3183 df-rn 3184 df-res 3185 df-ima 3186 |