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| Mirrors > Home > ILE Home > Th. List > Mathboxes > 0nninf | Unicode version | ||
| Description: The zero element of
ℕ∞ (the constant sequence equal to |
| Ref | Expression |
|---|---|
| 0nninf |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0lt2o 6652 |
. . . 4
| |
| 2 | 1 | fconst6 5545 |
. . 3
|
| 3 | 2onn 6732 |
. . . . 5
| |
| 4 | 3 | elexi 2816 |
. . . 4
|
| 5 | omex 4697 |
. . . 4
| |
| 6 | 4, 5 | elmap 6889 |
. . 3
|
| 7 | 2, 6 | mpbir 146 |
. 2
|
| 8 | peano2 4699 |
. . . . . 6
| |
| 9 | 0ex 4221 |
. . . . . . 7
| |
| 10 | 9 | fvconst2 5878 |
. . . . . 6
|
| 11 | 8, 10 | syl 14 |
. . . . 5
|
| 12 | 9 | fvconst2 5878 |
. . . . 5
|
| 13 | 11, 12 | eqtr4d 2267 |
. . . 4
|
| 14 | eqimss 3282 |
. . . 4
| |
| 15 | 13, 14 | syl 14 |
. . 3
|
| 16 | 15 | rgen 2586 |
. 2
|
| 17 | fveq1 5647 |
. . . . 5
| |
| 18 | fveq1 5647 |
. . . . 5
| |
| 19 | 17, 18 | sseq12d 3259 |
. . . 4
|
| 20 | 19 | ralbidv 2533 |
. . 3
|
| 21 | df-nninf 7362 |
. . 3
| |
| 22 | 20, 21 | elrab2 2966 |
. 2
|
| 23 | 7, 16, 22 | mpbir2an 951 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-nul 4220 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-iinf 4692 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-sbc 3033 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-suc 4474 df-iom 4695 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-fv 5341 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1o 6625 df-2o 6626 df-map 6862 df-nninf 7362 |
| This theorem is referenced by: exmidsbthrlem 16733 |
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