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| Mirrors > Home > MPE Home > Th. List > eluzp1p1 | Structured version Visualization version GIF version | ||
| Description: Membership in the next upper set of integers. (Contributed by NM, 5-Oct-2005.) |
| Ref | Expression |
|---|---|
| eluzp1p1 | ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑁 + 1) ∈ (ℤ≥‘(𝑀 + 1))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | peano2z 12519 | . . . 4 ⊢ (𝑀 ∈ ℤ → (𝑀 + 1) ∈ ℤ) | |
| 2 | 1 | 3ad2ant1 1133 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → (𝑀 + 1) ∈ ℤ) |
| 3 | peano2z 12519 | . . . 4 ⊢ (𝑁 ∈ ℤ → (𝑁 + 1) ∈ ℤ) | |
| 4 | 3 | 3ad2ant2 1134 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → (𝑁 + 1) ∈ ℤ) |
| 5 | zre 12478 | . . . . 5 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℝ) | |
| 6 | zre 12478 | . . . . 5 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
| 7 | 1re 11118 | . . . . . 6 ⊢ 1 ∈ ℝ | |
| 8 | leadd1 11591 | . . . . . 6 ⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 1 ∈ ℝ) → (𝑀 ≤ 𝑁 ↔ (𝑀 + 1) ≤ (𝑁 + 1))) | |
| 9 | 7, 8 | mp3an3 1452 | . . . . 5 ⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ) → (𝑀 ≤ 𝑁 ↔ (𝑀 + 1) ≤ (𝑁 + 1))) |
| 10 | 5, 6, 9 | syl2an 596 | . . . 4 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 ≤ 𝑁 ↔ (𝑀 + 1) ≤ (𝑁 + 1))) |
| 11 | 10 | biimp3a 1471 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → (𝑀 + 1) ≤ (𝑁 + 1)) |
| 12 | 2, 4, 11 | 3jca 1128 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → ((𝑀 + 1) ∈ ℤ ∧ (𝑁 + 1) ∈ ℤ ∧ (𝑀 + 1) ≤ (𝑁 + 1))) |
| 13 | eluz2 12744 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁)) | |
| 14 | eluz2 12744 | . 2 ⊢ ((𝑁 + 1) ∈ (ℤ≥‘(𝑀 + 1)) ↔ ((𝑀 + 1) ∈ ℤ ∧ (𝑁 + 1) ∈ ℤ ∧ (𝑀 + 1) ≤ (𝑁 + 1))) | |
| 15 | 12, 13, 14 | 3imtr4i 292 | 1 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑁 + 1) ∈ (ℤ≥‘(𝑀 + 1))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ w3a 1086 ∈ wcel 2111 class class class wbr 5093 ‘cfv 6487 (class class class)co 7352 ℝcr 11011 1c1 11013 + caddc 11015 ≤ cle 11153 ℤcz 12474 ℤ≥cuz 12738 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-cnex 11068 ax-resscn 11069 ax-1cn 11070 ax-icn 11071 ax-addcl 11072 ax-addrcl 11073 ax-mulcl 11074 ax-mulrcl 11075 ax-mulcom 11076 ax-addass 11077 ax-mulass 11078 ax-distr 11079 ax-i2m1 11080 ax-1ne0 11081 ax-1rid 11082 ax-rnegex 11083 ax-rrecex 11084 ax-cnre 11085 ax-pre-lttri 11086 ax-pre-lttrn 11087 ax-pre-ltadd 11088 ax-pre-mulgt0 11089 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-iun 4943 df-br 5094 df-opab 5156 df-mpt 5175 df-tr 5201 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6254 df-ord 6315 df-on 6316 df-lim 6317 df-suc 6318 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-riota 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-om 7803 df-2nd 7928 df-frecs 8217 df-wrecs 8248 df-recs 8297 df-rdg 8335 df-er 8628 df-en 8876 df-dom 8877 df-sdom 8878 df-pnf 11154 df-mnf 11155 df-xr 11156 df-ltxr 11157 df-le 11158 df-sub 11352 df-neg 11353 df-nn 12132 df-n0 12388 df-z 12475 df-uz 12739 |
| This theorem is referenced by: uzp1 12779 fzp1elp1 13483 seqcl2 13933 seqfveq2 13937 seqf1olem2 13955 seqid2 13961 seqcoll 14377 serf0 15594 efcllem 15990 prmind2 16602 pockthlem 16823 pockthg 16824 prmunb 16832 prmreclem4 16837 dvradcnv 26363 rplogsumlem1 27428 rplogsumlem2 27429 dchrisumlem2 27434 dchrisum0flb 27454 pntlemq 27545 pntlemr 27546 pntlemf 27549 axlowdimlem17 28943 fibp1 34421 subfacp1lem5 35235 poimirlem1 37667 poimirlem3 37669 poimirlem4 37670 poimirlem15 37681 poimirlem16 37682 poimirlem17 37683 poimirlem19 37685 poimirlem20 37686 poimirlem23 37689 fdc 37791 mettrifi 37803 expdiophlem1 43119 trclfvdecomr 43826 |
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