Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > phplem4dom | Unicode version |
Description: Dominance of successors implies dominance of the original natural numbers. (Contributed by Jim Kingdon, 1-Sep-2021.) |
Ref | Expression |
---|---|
phplem4dom |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | peano2 4504 | . . . . . 6 | |
2 | 1 | adantl 275 | . . . . 5 |
3 | brdomg 6635 | . . . . 5 | |
4 | 2, 3 | syl 14 | . . . 4 |
5 | 4 | biimpa 294 | . . 3 |
6 | simpr 109 | . . . . . . 7 | |
7 | 2 | ad2antrr 479 | . . . . . . 7 |
8 | sssucid 4332 | . . . . . . . 8 | |
9 | 8 | a1i 9 | . . . . . . 7 |
10 | simplll 522 | . . . . . . 7 | |
11 | f1imaen2g 6680 | . . . . . . 7 | |
12 | 6, 7, 9, 10, 11 | syl22anc 1217 | . . . . . 6 |
13 | 12 | ensymd 6670 | . . . . 5 |
14 | difexg 4064 | . . . . . . 7 | |
15 | 7, 14 | syl 14 | . . . . . 6 |
16 | nnord 4520 | . . . . . . . . . 10 | |
17 | orddif 4457 | . . . . . . . . . 10 | |
18 | 16, 17 | syl 14 | . . . . . . . . 9 |
19 | 18 | imaeq2d 4876 | . . . . . . . 8 |
20 | 10, 19 | syl 14 | . . . . . . 7 |
21 | f1fn 5325 | . . . . . . . . . . . 12 | |
22 | 21 | adantl 275 | . . . . . . . . . . 11 |
23 | sucidg 4333 | . . . . . . . . . . . 12 | |
24 | 10, 23 | syl 14 | . . . . . . . . . . 11 |
25 | fnsnfv 5473 | . . . . . . . . . . 11 | |
26 | 22, 24, 25 | syl2anc 408 | . . . . . . . . . 10 |
27 | 26 | difeq2d 3189 | . . . . . . . . 9 |
28 | df-f1 5123 | . . . . . . . . . . . 12 | |
29 | 28 | simprbi 273 | . . . . . . . . . . 11 |
30 | imadif 5198 | . . . . . . . . . . 11 | |
31 | 29, 30 | syl 14 | . . . . . . . . . 10 |
32 | 31 | adantl 275 | . . . . . . . . 9 |
33 | 27, 32 | eqtr4d 2173 | . . . . . . . 8 |
34 | f1f 5323 | . . . . . . . . . . 11 | |
35 | 34 | adantl 275 | . . . . . . . . . 10 |
36 | imassrn 4887 | . . . . . . . . . . 11 | |
37 | frn 5276 | . . . . . . . . . . 11 | |
38 | 36, 37 | sstrid 3103 | . . . . . . . . . 10 |
39 | 35, 38 | syl 14 | . . . . . . . . 9 |
40 | 39 | ssdifd 3207 | . . . . . . . 8 |
41 | 33, 40 | eqsstrrd 3129 | . . . . . . 7 |
42 | 20, 41 | eqsstrd 3128 | . . . . . 6 |
43 | ssdomg 6665 | . . . . . 6 | |
44 | 15, 42, 43 | sylc 62 | . . . . 5 |
45 | endomtr 6677 | . . . . 5 | |
46 | 13, 44, 45 | syl2anc 408 | . . . 4 |
47 | simpllr 523 | . . . . . 6 | |
48 | 35, 24 | ffvelrnd 5549 | . . . . . 6 |
49 | phplem3g 6743 | . . . . . 6 | |
50 | 47, 48, 49 | syl2anc 408 | . . . . 5 |
51 | 50 | ensymd 6670 | . . . 4 |
52 | domentr 6678 | . . . 4 | |
53 | 46, 51, 52 | syl2anc 408 | . . 3 |
54 | 5, 53 | exlimddv 1870 | . 2 |
55 | 54 | ex 114 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1331 wex 1468 wcel 1480 cvv 2681 cdif 3063 wss 3066 csn 3522 class class class wbr 3924 word 4279 csuc 4282 com 4499 ccnv 4533 crn 4535 cima 4537 wfun 5112 wfn 5113 wf 5114 wf1 5115 cfv 5118 cen 6625 cdom 6626 |
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 2119 ax-sep 4041 ax-nul 4049 ax-pow 4093 ax-pr 4126 ax-un 4350 ax-setind 4447 ax-iinf 4497 |
This theorem depends on definitions: df-bi 116 df-dc 820 df-3or 963 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ne 2307 df-ral 2419 df-rex 2420 df-rab 2423 df-v 2683 df-sbc 2905 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-nul 3359 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-int 3767 df-br 3925 df-opab 3985 df-tr 4022 df-id 4210 df-iord 4283 df-on 4285 df-suc 4288 df-iom 4500 df-xp 4540 df-rel 4541 df-cnv 4542 df-co 4543 df-dm 4544 df-rn 4545 df-res 4546 df-ima 4547 df-iota 5083 df-fun 5120 df-fn 5121 df-f 5122 df-f1 5123 df-fo 5124 df-f1o 5125 df-fv 5126 df-er 6422 df-en 6628 df-dom 6629 |
This theorem is referenced by: php5dom 6750 |
Copyright terms: Public domain | W3C validator |