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Mirrors > Home > ILE Home > Th. List > nnnn0d | GIF version |
Description: A positive integer is a nonnegative integer. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
nnnn0d.1 | ⊢ (𝜑 → 𝐴 ∈ ℕ) |
Ref | Expression |
---|---|
nnnn0d | ⊢ (𝜑 → 𝐴 ∈ ℕ0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnssnn0 8291 | . 2 ⊢ ℕ ⊆ ℕ0 | |
2 | nnnn0d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
3 | 1, 2 | sseldi 2997 | 1 ⊢ (𝜑 → 𝐴 ∈ ℕ0) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 1433 ℕcn 8039 ℕ0cn0 8288 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 |
This theorem depends on definitions: df-bi 115 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-v 2603 df-un 2977 df-in 2979 df-ss 2986 df-n0 8289 |
This theorem is referenced by: nn0ge2m1nn0 8349 nnzd 8468 eluzge2nn0 8658 modsumfzodifsn 9398 addmodlteq 9400 expinnval 9479 expgt1 9514 expaddzaplem 9519 expaddzap 9520 expmulzap 9522 expnbnd 9596 facwordi 9667 faclbnd 9668 facavg 9673 bcm1k 9687 ibcval5 9690 resqrexlemnm 9904 resqrexlemcvg 9905 dvdsfac 10260 divalglemnqt 10320 divalglemeunn 10321 gcdval 10351 gcdcl 10358 mulgcd 10405 rplpwr 10416 rppwr 10417 lcmcl 10454 lcmgcdnn 10464 nprmdvds1 10521 rpexp 10532 pw2dvdslemn 10543 sqpweven 10553 2sqpwodd 10554 |
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