| 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 4693 |
. . . . . 6
| |
| 2 | 1 | adantl 277 |
. . . . 5
|
| 3 | brdomg 6918 |
. . . . 5
| |
| 4 | 2, 3 | syl 14 |
. . . 4
|
| 5 | 4 | biimpa 296 |
. . 3
|
| 6 | simpr 110 |
. . . . . . 7
| |
| 7 | 2 | ad2antrr 488 |
. . . . . . 7
|
| 8 | sssucid 4512 |
. . . . . . . 8
| |
| 9 | 8 | a1i 9 |
. . . . . . 7
|
| 10 | simplll 535 |
. . . . . . 7
| |
| 11 | f1imaen2g 6966 |
. . . . . . 7
| |
| 12 | 6, 7, 9, 10, 11 | syl22anc 1274 |
. . . . . 6
|
| 13 | 12 | ensymd 6956 |
. . . . 5
|
| 14 | difexg 4231 |
. . . . . . 7
| |
| 15 | 7, 14 | syl 14 |
. . . . . 6
|
| 16 | nnord 4710 |
. . . . . . . . . 10
| |
| 17 | orddif 4645 |
. . . . . . . . . 10
| |
| 18 | 16, 17 | syl 14 |
. . . . . . . . 9
|
| 19 | 18 | imaeq2d 5076 |
. . . . . . . 8
|
| 20 | 10, 19 | syl 14 |
. . . . . . 7
|
| 21 | f1fn 5544 |
. . . . . . . . . . . 12
| |
| 22 | 21 | adantl 277 |
. . . . . . . . . . 11
|
| 23 | sucidg 4513 |
. . . . . . . . . . . 12
| |
| 24 | 10, 23 | syl 14 |
. . . . . . . . . . 11
|
| 25 | fnsnfv 5705 |
. . . . . . . . . . 11
| |
| 26 | 22, 24, 25 | syl2anc 411 |
. . . . . . . . . 10
|
| 27 | 26 | difeq2d 3325 |
. . . . . . . . 9
|
| 28 | df-f1 5331 |
. . . . . . . . . . . 12
| |
| 29 | 28 | simprbi 275 |
. . . . . . . . . . 11
|
| 30 | imadif 5410 |
. . . . . . . . . . 11
| |
| 31 | 29, 30 | syl 14 |
. . . . . . . . . 10
|
| 32 | 31 | adantl 277 |
. . . . . . . . 9
|
| 33 | 27, 32 | eqtr4d 2267 |
. . . . . . . 8
|
| 34 | f1f 5542 |
. . . . . . . . . . 11
| |
| 35 | 34 | adantl 277 |
. . . . . . . . . 10
|
| 36 | imassrn 5087 |
. . . . . . . . . . 11
| |
| 37 | frn 5491 |
. . . . . . . . . . 11
| |
| 38 | 36, 37 | sstrid 3238 |
. . . . . . . . . 10
|
| 39 | 35, 38 | syl 14 |
. . . . . . . . 9
|
| 40 | 39 | ssdifd 3343 |
. . . . . . . 8
|
| 41 | 33, 40 | eqsstrrd 3264 |
. . . . . . 7
|
| 42 | 20, 41 | eqsstrd 3263 |
. . . . . 6
|
| 43 | ssdomg 6951 |
. . . . . 6
| |
| 44 | 15, 42, 43 | sylc 62 |
. . . . 5
|
| 45 | endomtr 6963 |
. . . . 5
| |
| 46 | 13, 44, 45 | syl2anc 411 |
. . . 4
|
| 47 | simpllr 536 |
. . . . . 6
| |
| 48 | 35, 24 | ffvelcdmd 5783 |
. . . . . 6
|
| 49 | phplem3g 7041 |
. . . . . 6
| |
| 50 | 47, 48, 49 | syl2anc 411 |
. . . . 5
|
| 51 | 50 | ensymd 6956 |
. . . 4
|
| 52 | domentr 6964 |
. . . 4
| |
| 53 | 46, 51, 52 | syl2anc 411 |
. . 3
|
| 54 | 5, 53 | exlimddv 1947 |
. 2
|
| 55 | 54 | ex 115 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-iinf 4686 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-tr 4188 df-id 4390 df-iord 4463 df-on 4465 df-suc 4468 df-iom 4689 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-er 6701 df-en 6909 df-dom 6910 |
| This theorem is referenced by: php5dom 7048 |
| Copyright terms: Public domain | W3C validator |