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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 12663 | . . . 4 ⊢ (𝑁 ∈ ℤ → (𝑁 + 1) ∈ ℤ) | |
| 3 | 2 | 3ad2ant2 1152 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → (𝑁 + 1) ∈ ℤ) |
| 4 | zre 12623 | . . . 4 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℝ) | |
| 5 | zre 12623 | . . . . 5 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
| 6 | letrp1 12087 | . . . . 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 12897 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁)) | |
| 11 | eluz2 12897 | . 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 2145 class class class wbr 5107 ‘cfv 6537 (class class class)co 7417 ℝcr 11127 1c1 11129 + caddc 11131 ≤ cle 11272 ℤcz 12619 ℤ≥cuz 12891 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-cnex 11184 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7867 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8957 df-dom 8958 df-sdom 8959 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-nn 12262 df-n0 12533 df-z 12620 df-uz 12892 |
| This theorem is used by: peano2uzs 12955 peano2uzr 12956 uzaddcl 12957 fzsplit 13609 fzssp1 13626 fzsuc 13630 fzpred 13631 fzp1ss 13634 fzp1elp1 13636 fztp 13639 fzdif1 13664 fzneuz 13667 fzosplitsnm1 13800 fzofzp1 13824 fzosplitsn 13836 fzosplitpr 13837 fzostep1 13846 om2uzuzi 14017 uzrdgsuci 14028 fzen2 14037 fzfi 14040 seqsplit 14103 seqf1olem1 14109 seqf1olem2 14110 seqz 14118 faclbnd3 14360 bcm1k 14383 seqcoll 14533 seqcoll2 14534 swrds1 14740 pfxccatpfx2 14810 clim2ser 15746 clim2ser2 15747 serf0 15772 iseraltlem2 15774 iseralt 15776 fsump1 15846 fsump1i 15859 fsumparts 15897 cvgcmp 15907 isum1p 15934 isumsup2 15939 climcndslem1 15942 climcndslem2 15943 climcnds 15944 cvgrat 15976 mertenslem1 15977 clim2prod 15981 clim2div 15982 ntrivcvgfvn0 15992 fprodntriv 16035 fprodp1 16062 fprodabs 16067 binomfallfaclem2 16132 pcfac 16997 gsumsplit1r 18795 gsumprval 18796 telgsumfzslem 20121 telgsumfzs 20122 dvply2g 26522 aaliou3lem2 26586 ppinprm 27396 chtnprm 27398 ppiublem1 27446 chtublem 27455 chtub 27456 bposlem6 27533 pntlemf 27849 ostth2lem2 27878 clwwlkvbij 30591 fzsplit3 33272 esumcvg 34604 sseqf 34911 gsumnunsn 35060 signstfvp 35087 iprodefisumlem 36327 poimirlem1 38378 poimirlem2 38379 poimirlem3 38380 poimirlem4 38381 poimirlem6 38383 poimirlem7 38384 poimirlem8 38385 poimirlem9 38386 poimirlem12 38389 poimirlem13 38390 poimirlem14 38391 poimirlem15 38392 poimirlem16 38393 poimirlem17 38394 poimirlem18 38395 poimirlem19 38396 poimirlem20 38397 poimirlem21 38398 poimirlem22 38399 poimirlem23 38400 poimirlem24 38401 poimirlem26 38403 poimirlem27 38404 poimirlem31 38408 poimirlem32 38409 sdclem2 38500 fdc 38503 mettrifi 38515 bfplem2 38581 rexrabdioph 43643 monotuz 43790 wallispilem1 46901 dirkertrigeqlem2 46935 sge0p1 47250 carageniuncllem1 47357 iccpartres 48326 iccelpart 48341 fmtno4prm 48486 |
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