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Mirrors > Home > ILE Home > Th. List > fodjum | Unicode version |
Description: Lemma for fodjuomni 7021 and fodjumkv 7034. A condition which shows that is inhabited. (Contributed by Jim Kingdon, 27-Jul-2022.) (Revised by Jim Kingdon, 25-Mar-2023.) |
Ref | Expression |
---|---|
fodjuf.fo | ⊔ |
fodjuf.p | inl |
fodjum.z |
Ref | Expression |
---|---|
fodjum |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fodjum.z | . 2 | |
2 | 1n0 6329 | . . . . . . . . 9 | |
3 | 2 | nesymi 2354 | . . . . . . . 8 |
4 | 3 | intnan 914 | . . . . . . 7 inl |
5 | 4 | a1i 9 | . . . . . 6 inl |
6 | simprr 521 | . . . . . . . 8 | |
7 | fodjuf.p | . . . . . . . . 9 inl | |
8 | fveqeq2 5430 | . . . . . . . . . . 11 inl inl | |
9 | 8 | rexbidv 2438 | . . . . . . . . . 10 inl inl |
10 | 9 | ifbid 3493 | . . . . . . . . 9 inl inl |
11 | simprl 520 | . . . . . . . . 9 | |
12 | peano1 4508 | . . . . . . . . . . 11 | |
13 | 12 | a1i 9 | . . . . . . . . . 10 |
14 | 1onn 6416 | . . . . . . . . . . 11 | |
15 | 14 | a1i 9 | . . . . . . . . . 10 |
16 | fodjuf.fo | . . . . . . . . . . . 12 ⊔ | |
17 | 16 | fodjuomnilemdc 7016 | . . . . . . . . . . 11 DECID inl |
18 | 17 | adantrr 470 | . . . . . . . . . 10 DECID inl |
19 | 13, 15, 18 | ifcldcd 3507 | . . . . . . . . 9 inl |
20 | 7, 10, 11, 19 | fvmptd3 5514 | . . . . . . . 8 inl |
21 | 6, 20 | eqtr3d 2174 | . . . . . . 7 inl |
22 | eqifdc 3506 | . . . . . . . 8 DECID inl inl inl inl | |
23 | 18, 22 | syl 14 | . . . . . . 7 inl inl inl |
24 | 21, 23 | mpbid 146 | . . . . . 6 inl inl |
25 | 5, 24 | ecased 1327 | . . . . 5 inl |
26 | 25 | simpld 111 | . . . 4 inl |
27 | rexm 3462 | . . . 4 inl | |
28 | 26, 27 | syl 14 | . . 3 |
29 | eleq1w 2200 | . . . 4 | |
30 | 29 | cbvexv 1890 | . . 3 |
31 | 28, 30 | sylib 121 | . 2 |
32 | 1, 31 | rexlimddv 2554 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wb 104 wo 697 DECID wdc 819 wceq 1331 wex 1468 wcel 1480 wrex 2417 c0 3363 cif 3474 cmpt 3989 com 4504 wfo 5121 cfv 5123 c1o 6306 ⊔ cdju 6922 inlcinl 6930 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-nul 4054 ax-pow 4098 ax-pr 4131 ax-un 4355 |
This theorem depends on definitions: df-bi 116 df-dc 820 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-ral 2421 df-rex 2422 df-v 2688 df-sbc 2910 df-csb 3004 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-nul 3364 df-if 3475 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-int 3772 df-br 3930 df-opab 3990 df-mpt 3991 df-tr 4027 df-id 4215 df-iord 4288 df-on 4290 df-suc 4293 df-iom 4505 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-iota 5088 df-fun 5125 df-fn 5126 df-f 5127 df-f1 5128 df-fo 5129 df-f1o 5130 df-fv 5131 df-1st 6038 df-2nd 6039 df-1o 6313 df-dju 6923 df-inl 6932 df-inr 6933 |
This theorem is referenced by: fodjuomnilemres 7020 fodjumkvlemres 7033 |
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