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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 12566 | . . . 4 ⊢ (𝑀 ∈ ℤ → (𝑀 + 1) ∈ ℤ) | |
| 2 | 1 | 3ad2ant1 1139 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → (𝑀 + 1) ∈ ℤ) |
| 3 | peano2z 12566 | . . . 4 ⊢ (𝑁 ∈ ℤ → (𝑁 + 1) ∈ ℤ) | |
| 4 | 3 | 3ad2ant2 1140 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → (𝑁 + 1) ∈ ℤ) |
| 5 | zre 12526 | . . . . 5 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℝ) | |
| 6 | zre 12526 | . . . . 5 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
| 7 | 1re 11142 | . . . . . 6 ⊢ 1 ∈ ℝ | |
| 8 | leadd1 11616 | . . . . . 6 ⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 1 ∈ ℝ) → (𝑀 ≤ 𝑁 ↔ (𝑀 + 1) ≤ (𝑁 + 1))) | |
| 9 | 7, 8 | mp3an3 1458 | . . . . 5 ⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ) → (𝑀 ≤ 𝑁 ↔ (𝑀 + 1) ≤ (𝑁 + 1))) |
| 10 | 5, 6, 9 | syl2an 602 | . . . 4 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 ≤ 𝑁 ↔ (𝑀 + 1) ≤ (𝑁 + 1))) |
| 11 | 10 | biimp3a 1477 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → (𝑀 + 1) ≤ (𝑁 + 1)) |
| 12 | 2, 4, 11 | 3jca 1134 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → ((𝑀 + 1) ∈ ℤ ∧ (𝑁 + 1) ∈ ℤ ∧ (𝑀 + 1) ≤ (𝑁 + 1))) |
| 13 | eluz2 12792 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁)) | |
| 14 | eluz2 12792 | . 2 ⊢ ((𝑁 + 1) ∈ (ℤ≥‘(𝑀 + 1)) ↔ ((𝑀 + 1) ∈ ℤ ∧ (𝑁 + 1) ∈ ℤ ∧ (𝑀 + 1) ≤ (𝑁 + 1))) | |
| 15 | 12, 13, 14 | 3imtr4i 293 | 1 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑁 + 1) ∈ (ℤ≥‘(𝑀 + 1))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 207 ∧ w3a 1092 ∈ wcel 2119 class class class wbr 5079 ‘cfv 6492 (class class class)co 7363 ℝcr 11035 1c1 11037 + caddc 11039 ≤ cle 11178 ℤcz 12522 ℤ≥cuz 12786 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-sep 5225 ax-nul 5235 ax-pow 5301 ax-pr 5369 ax-un 7685 ax-cnex 11092 ax-resscn 11093 ax-1cn 11094 ax-icn 11095 ax-addcl 11096 ax-addrcl 11097 ax-mulcl 11098 ax-mulrcl 11099 ax-mulcom 11100 ax-addass 11101 ax-mulass 11102 ax-distr 11103 ax-i2m1 11104 ax-1ne0 11105 ax-1rid 11106 ax-rnegex 11107 ax-rrecex 11108 ax-cnre 11109 ax-pre-lttri 11110 ax-pre-lttrn 11111 ax-pre-ltadd 11112 ax-pre-mulgt0 11113 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-nel 3040 df-ral 3055 df-rex 3065 df-reu 3346 df-rab 3393 df-v 3434 df-sbc 3731 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-iun 4930 df-br 5080 df-opab 5142 df-mpt 5161 df-tr 5187 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7320 df-ov 7366 df-oprab 7367 df-mpo 7368 df-om 7814 df-2nd 7939 df-frecs 8228 df-wrecs 8259 df-recs 8308 df-rdg 8346 df-er 8640 df-en 8891 df-dom 8892 df-sdom 8893 df-pnf 11179 df-mnf 11180 df-xr 11181 df-ltxr 11182 df-le 11183 df-sub 11377 df-neg 11378 df-nn 12173 df-n0 12436 df-z 12523 df-uz 12787 |
| This theorem is referenced by: uzp1 12823 fzp1elp1 13529 seqcl2 13980 seqfveq2 13984 seqf1olem2 14002 seqid2 14008 seqcoll 14424 serf0 15641 efcllem 16040 prmind2 16652 pockthlem 16874 pockthg 16875 prmunb 16883 prmreclem4 16888 dvradcnv 26411 rplogsumlem1 27472 rplogsumlem2 27473 dchrisumlem2 27478 dchrisum0flb 27498 pntlemq 27589 pntlemr 27590 pntlemf 27593 axlowdimlem17 29052 fibp1 34592 subfacp1lem5 35413 poimirlem1 37989 poimirlem3 37991 poimirlem4 37992 poimirlem15 38003 poimirlem16 38004 poimirlem17 38005 poimirlem19 38007 poimirlem20 38008 poimirlem23 38011 fdc 38113 mettrifi 38125 expdiophlem1 43467 trclfvdecomr 44173 |
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