Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > nn0supp | Unicode version |
Description: Two ways to write the support of a function on . (Contributed by Mario Carneiro, 29-Dec-2014.) |
Ref | Expression |
---|---|
nn0supp |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfn2 9123 | . . . 4 | |
2 | invdif 3363 | . . . 4 | |
3 | 1, 2 | eqtr4i 2189 | . . 3 |
4 | 3 | imaeq2i 4943 | . 2 |
5 | ffun 5339 | . . . 4 | |
6 | inpreima 5610 | . . . 4 | |
7 | 5, 6 | syl 14 | . . 3 |
8 | cnvimass 4966 | . . . . 5 | |
9 | fdm 5342 | . . . . . 6 | |
10 | fimacnv 5613 | . . . . . 6 | |
11 | 9, 10 | eqtr4d 2201 | . . . . 5 |
12 | 8, 11 | sseqtrid 3191 | . . . 4 |
13 | sseqin2 3340 | . . . 4 | |
14 | 12, 13 | sylib 121 | . . 3 |
15 | 7, 14 | eqtrd 2198 | . 2 |
16 | 4, 15 | eqtr2id 2211 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1343 cvv 2725 cdif 3112 cin 3114 wss 3115 csn 3575 ccnv 4602 cdm 4603 cima 4606 wfun 5181 wf 5183 cc0 7749 cn 8853 cn0 9110 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4099 ax-pow 4152 ax-pr 4186 ax-un 4410 ax-setind 4513 ax-cnex 7840 ax-resscn 7841 ax-1re 7843 ax-addrcl 7846 ax-0lt1 7855 ax-0id 7857 ax-rnegex 7858 ax-pre-ltirr 7861 ax-pre-lttrn 7863 ax-pre-ltadd 7865 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2296 df-ne 2336 df-nel 2431 df-ral 2448 df-rex 2449 df-rab 2452 df-v 2727 df-sbc 2951 df-dif 3117 df-un 3119 df-in 3121 df-ss 3128 df-nul 3409 df-pw 3560 df-sn 3581 df-pr 3582 df-op 3584 df-uni 3789 df-int 3824 df-br 3982 df-opab 4043 df-id 4270 df-xp 4609 df-rel 4610 df-cnv 4611 df-co 4612 df-dm 4613 df-rn 4614 df-res 4615 df-ima 4616 df-iota 5152 df-fun 5189 df-fn 5190 df-f 5191 df-fv 5195 df-ov 5844 df-pnf 7931 df-mnf 7932 df-xr 7933 df-ltxr 7934 df-le 7935 df-inn 8854 df-n0 9111 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |