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| Description: The image of a class is a subset of its range. Theorem 3.16(xi) of [Monk1] p. 39. |
| Ref | Expression |
|---|---|
| imassrn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm3.27 323 |
. . . 4
| |
| 2 | 1 | 19.22i 1040 |
. . 3
|
| 3 | 2 | ss2abi 2120 |
. 2
|
| 4 | dfima3 3406 |
. 2
| |
| 5 | dfrn3 3304 |
. 2
| |
| 6 | 3, 4, 5 | 3sstr4 2100 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: imaexg 3416 0ima 3421 cnvimass 3423 fimacnv 3810 isofrlem 3901 f1oweALT 3906 pw2en 4446 sbthlem2 4448 sbthlem3 4449 sbthlem5 4451 sbthlem6 4452 ssenen 4504 ssfi 4537 ssfiOLD 4538 fiint 4559 fiintOLD 4560 unbenlem 7504 cnconst 7780 subgrnss 8119 pjima 10104 mapdiscn 10511 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-sep 2703 ax-pow 2742 ax-pr 2779 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-rex 1650 df-v 1812 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-nul 2281 df-pw 2402 df-sn 2412 df-pr 2413 df-op 2416 df-br 2620 df-opab 2667 df-xp 3184 df-cnv 3186 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 |