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| Description: Equality theorem for image. |
| Ref | Expression |
|---|---|
| imaeq2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reseq2 3365 |
. . 3
| |
| 2 | 1 | rneqd 3337 |
. 2
|
| 3 | df-ima 3187 |
. 2
| |
| 4 | df-ima 3187 |
. 2
| |
| 5 | 2, 3, 4 | 3eqtr4g 1529 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: imaeq2d 3400 relimasn 3421 dmco2 3500 funimaexg 3571 fnima 3600 foima 3671 f1imacnv 3700 fvprc 3716 ssimaex 3763 ssimaexg 3764 rdglimt 3943 tz7.49 3954 sbthlem2 4437 sbth 4446 ssenen 4493 phplem4 4500 php3 4504 unifi 4541 fiint 4543 fodomfi 4549 unir1 4650 zorn2lem6 4776 zorn2lem7 4777 cnima 7727 iscncl 7730 cnclima 7731 cnsscnp 7732 metcnp 7849 oooeqim2 10429 mapudiscn 10458 cmphmp 10467 homcard 10485 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 961 ax-gen 962 ax-8 963 ax-10 965 ax-11 966 ax-12 967 ax-13 968 ax-14 969 ax-17 970 ax-4 972 ax-5o 974 ax-6o 977 ax-9o 1122 ax-10o 1139 ax-16 1209 ax-11o 1217 ax-ext 1458 ax-sep 2699 ax-pow 2738 ax-pr 2775 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 980 df-sb 1171 df-eu 1381 df-mo 1382 df-clab 1463 df-cleq 1468 df-clel 1471 df-ne 1585 df-v 1809 df-dif 2046 df-un 2047 df-in 2048 df-ss 2050 df-nul 2278 df-pw 2399 df-sn 2409 df-pr 2410 df-op 2413 df-br 2616 df-opab 2663 df-xp 3180 df-cnv 3182 df-dm 3184 df-rn 3185 df-res 3186 df-ima 3187 |