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| Description: The range of the empty set is empty. Part of Theorem 3.8(v) of [Monk1] p. 36. |
| Ref | Expression |
|---|---|
| rn0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dm0 4170 |
. 2
| |
| 2 | dm0rn0 4175 |
. 2
| |
| 3 | 1, 2 | mpbi 206 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ima0 4283 0ima 4284 rnxpssOLD 4345 f0 4600 2ndval 5023 map0e 5401 fodomr 5547 aceq5lem3 5899 infxpidmlem4 8824 infxpidmlem8 8828 infxpidmlem10 8830 0ngrp 9335 gid0 9338 ga0 9453 bafval 9555 frxp 13951 rnxpid 14409 0alg 15103 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-br 3339 df-opab 3396 df-cnv 4002 df-dm 4004 df-rn 4005 |