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Mirrors > Home > MPE Home > Th. List > 10nnOLD | Structured version Visualization version GIF version |
Description: Obsolete version of 10nn 11390 as of 6-Sep-2021. (Contributed by NM, 8-Nov-2012.) (New usage is discouraged.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
10nnOLD | ⊢ 10 ∈ ℕ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-10OLD 10964 | . 2 ⊢ 10 = (9 + 1) | |
2 | 9nn 11069 | . . 3 ⊢ 9 ∈ ℕ | |
3 | peano2nn 10909 | . . 3 ⊢ (9 ∈ ℕ → (9 + 1) ∈ ℕ) | |
4 | 2, 3 | ax-mp 5 | . 2 ⊢ (9 + 1) ∈ ℕ |
5 | 1, 4 | eqeltri 2684 | 1 ⊢ 10 ∈ ℕ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 1977 (class class class)co 6549 1c1 9816 + caddc 9818 ℕcn 10897 9c9 10954 10c10 10955 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-1cn 9873 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-ov 6552 df-om 6958 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-nn 10898 df-2 10956 df-3 10957 df-4 10958 df-5 10959 df-6 10960 df-7 10961 df-8 10962 df-9 10963 df-10OLD 10964 |
This theorem is referenced by: 10nn0OLD 11194 decnncl2OLD 11402 decltOLD 11407 decltcOLD 11409 decltiOLD 11424 dec10pOLD 11430 dec10OLD 11431 9t11e99OLD 11548 sq10OLD 12913 3decOLD 12915 3dvdsOLD 14891 plendxOLD 15871 pleidOLD 15873 otpsstrOLD 15878 1t10e1p1e11OLD 39938 bgoldbachltOLD 40234 tgblthelfgottOLD 40236 tgoldbachltOLD 40237 |
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