Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > dff3im | Unicode version |
Description: Property of a mapping. (Contributed by Jim Kingdon, 4-Jan-2019.) |
Ref | Expression |
---|---|
dff3im |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fssxp 5078 | . 2 | |
2 | ffun 5068 | . . . . . . . 8 | |
3 | 2 | adantr 270 | . . . . . . 7 |
4 | fdm 5070 | . . . . . . . . 9 | |
5 | 4 | eleq2d 2148 | . . . . . . . 8 |
6 | 5 | biimpar 291 | . . . . . . 7 |
7 | funfvop 5300 | . . . . . . 7 | |
8 | 3, 6, 7 | syl2anc 403 | . . . . . 6 |
9 | df-br 3786 | . . . . . 6 | |
10 | 8, 9 | sylibr 132 | . . . . 5 |
11 | funfvex 5212 | . . . . . . 7 | |
12 | breq2 3789 | . . . . . . . 8 | |
13 | 12 | spcegv 2686 | . . . . . . 7 |
14 | 11, 13 | syl 14 | . . . . . 6 |
15 | 3, 6, 14 | syl2anc 403 | . . . . 5 |
16 | 10, 15 | mpd 13 | . . . 4 |
17 | funmo 4937 | . . . . . 6 | |
18 | 2, 17 | syl 14 | . . . . 5 |
19 | 18 | adantr 270 | . . . 4 |
20 | eu5 1988 | . . . 4 | |
21 | 16, 19, 20 | sylanbrc 408 | . . 3 |
22 | 21 | ralrimiva 2434 | . 2 |
23 | 1, 22 | jca 300 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wex 1421 wcel 1433 weu 1941 wmo 1942 wral 2348 cvv 2601 wss 2973 cop 3401 class class class wbr 3785 cxp 4361 cdm 4363 wfun 4916 wf 4918 cfv 4922 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-v 2603 df-sbc 2816 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-br 3786 df-opab 3840 df-id 4048 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-rn 4374 df-iota 4887 df-fun 4924 df-fn 4925 df-f 4926 df-fv 4930 |
This theorem is referenced by: dff4im 5334 |
Copyright terms: Public domain | W3C validator |