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| Mirrors > Home > MPE Home > Th. List > peano2uz | Structured version Visualization version GIF version | ||
| Description: Second Peano postulate for an upper set of integers. (Contributed by NM, 7-Sep-2005.) |
| Ref | Expression |
|---|---|
| peano2uz | ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑁 + 1) ∈ (ℤ≥‘𝑀)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simp1 1154 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → 𝑀 ∈ ℤ) | |
| 2 | peano2z 12741 | . . . 4 ⊢ (𝑁 ∈ ℤ → (𝑁 + 1) ∈ ℤ) | |
| 3 | 2 | 3ad2ant2 1152 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → (𝑁 + 1) ∈ ℤ) |
| 4 | zre 12701 | . . . 4 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℝ) | |
| 5 | zre 12701 | . . . . 5 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
| 6 | letrp1 12165 | . . . . 5 ⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑀 ≤ 𝑁) → 𝑀 ≤ (𝑁 + 1)) | |
| 7 | 5, 6 | syl3an2 1182 | . . . 4 ⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → 𝑀 ≤ (𝑁 + 1)) |
| 8 | 4, 7 | syl3an1 1181 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → 𝑀 ≤ (𝑁 + 1)) |
| 9 | 1, 3, 8 | 3jca 1146 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → (𝑀 ∈ ℤ ∧ (𝑁 + 1) ∈ ℤ ∧ 𝑀 ≤ (𝑁 + 1))) |
| 10 | eluz2 12975 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁)) | |
| 11 | eluz2 12975 | . 2 ⊢ ((𝑁 + 1) ∈ (ℤ≥‘𝑀) ↔ (𝑀 ∈ ℤ ∧ (𝑁 + 1) ∈ ℤ ∧ 𝑀 ≤ (𝑁 + 1))) | |
| 12 | 9, 10, 11 | 3imtr4i 295 | 1 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑁 + 1) ∈ (ℤ≥‘𝑀)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1103 ∈ wcel 2144 class class class wbr 5102 ‘cfv 6539 (class class class)co 7421 ℝcr 11203 1c1 11205 + caddc 11207 ≤ cle 11348 ℤcz 12697 ℤ≥cuz 12969 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-nn 12340 df-n0 12611 df-z 12698 df-uz 12970 |
| This theorem is used by: peano2uzs 13033 peano2uzr 13034 uzaddcl 13035 fzsplit 13688 fzssp1 13705 fzsuc 13709 fzpred 13710 fzp1ss 13713 fzp1elp1 13715 fztp 13718 fzdif1 13743 fzneuz 13746 fzosplitsnm1 13879 fzofzp1 13903 fzosplitsn 13915 fzosplitpr 13916 fzostep1 13925 om2uzuzi 14096 uzrdgsuci 14107 fzen2 14116 fzfi 14119 seqsplit 14182 seqf1olem1 14188 seqf1olem2 14189 seqz 14197 faclbnd3 14440 bcm1k 14463 seqcoll 14613 seqcoll2 14614 swrds1 14821 pfxccatpfx2 14891 clim2ser 15828 clim2ser2 15829 serf0 15854 iseraltlem2 15856 iseralt 15858 fsump1 15928 fsump1i 15941 fsumparts 15979 cvgcmp 15989 isum1p 16016 isumsup2 16021 climcndslem1 16024 climcndslem2 16025 climcnds 16026 cvgrat 16058 mertenslem1 16059 clim2prod 16063 clim2div 16064 ntrivcvgfvn0 16074 fprodntriv 16115 fprodp1 16142 fprodabs 16147 binomfallfaclem2 16212 pcfac 17083 gsumsplit1r 18882 gsumprval 18883 telgsumfzslem 20208 telgsumfzs 20209 dvply2g 26612 aaliou3lem2 26676 ppinprm 27485 chtnprm 27487 ppiublem1 27535 chtublem 27544 chtub 27545 bposlem6 27622 pntlemf 27938 ostth2lem2 27967 clwwlkvbij 30710 fzsplit3 33432 esumcvg 34765 sseqf 35071 gsumnunsn 35220 signstfvp 35247 iprodefisumlem 36598 poimirlem1 38633 poimirlem2 38634 poimirlem3 38635 poimirlem4 38636 poimirlem6 38638 poimirlem7 38639 poimirlem8 38640 poimirlem9 38641 poimirlem12 38644 poimirlem13 38645 poimirlem14 38646 poimirlem15 38647 poimirlem16 38648 poimirlem17 38649 poimirlem18 38650 poimirlem19 38651 poimirlem20 38652 poimirlem21 38653 poimirlem22 38654 poimirlem23 38655 poimirlem24 38656 poimirlem26 38658 poimirlem27 38659 poimirlem31 38663 poimirlem32 38664 sdclem2 38770 fdc 38773 mettrifi 38785 bfplem2 38851 rexrabdioph 43895 monotuz 44042 wallispilem1 47169 dirkertrigeqlem2 47203 sge0p1 47518 carageniuncllem1 47625 iccpartres 48594 iccelpart 48609 fmtno4prm 48754 |
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