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Mirrors > Home > ILE Home > Th. List > nnge1d | GIF version |
Description: A positive integer is one or greater. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
nnge1d.1 | ⊢ (𝜑 → 𝐴 ∈ ℕ) |
Ref | Expression |
---|---|
nnge1d | ⊢ (𝜑 → 1 ≤ 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnge1d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
2 | nnge1 8839 | . 2 ⊢ (𝐴 ∈ ℕ → 1 ≤ 𝐴) | |
3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 1 ≤ 𝐴) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 2128 class class class wbr 3965 1c1 7716 ≤ cle 7896 ℕcn 8816 |
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 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-sep 4082 ax-pow 4134 ax-pr 4168 ax-un 4392 ax-setind 4494 ax-cnex 7806 ax-resscn 7807 ax-1re 7809 ax-addrcl 7812 ax-0lt1 7821 ax-0id 7823 ax-rnegex 7824 ax-pre-ltirr 7827 ax-pre-lttrn 7829 ax-pre-ltadd 7831 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-nel 2423 df-ral 2440 df-rex 2441 df-rab 2444 df-v 2714 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3773 df-int 3808 df-br 3966 df-opab 4026 df-xp 4589 df-cnv 4591 df-iota 5132 df-fv 5175 df-ov 5821 df-pnf 7897 df-mnf 7898 df-xr 7899 df-ltxr 7900 df-le 7901 df-inn 8817 |
This theorem is referenced by: exbtwnzlemstep 10129 addmodlteq 10279 bernneq3 10522 facwordi 10596 faclbnd 10597 faclbnd3 10599 facavg 10602 bcval5 10619 1elfz0hash 10662 seq3coll 10695 fsumcl2lem 11277 eftlub 11569 eflegeo 11580 eirraplem 11655 divdenle 12051 eulerthlemrprm 12081 eulerthlema 12082 logbgcd1irraplemexp 13245 |
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