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Mirrors > Home > MPE Home > Th. List > eluzaddiOLD | Structured version Visualization version GIF version |
Description: Obsolete version of eluzaddi 12896 as of 7-Feb-2025. (Contributed by Paul Chapman, 22-Nov-2007.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
eluzsubi.1 | ⊢ 𝑀 ∈ ℤ |
eluzsubi.2 | ⊢ 𝐾 ∈ ℤ |
Ref | Expression |
---|---|
eluzaddiOLD | ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑁 + 𝐾) ∈ (ℤ≥‘(𝑀 + 𝐾))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluzelz 12875 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ ℤ) | |
2 | eluzsubi.2 | . . 3 ⊢ 𝐾 ∈ ℤ | |
3 | zaddcl 12645 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝐾 ∈ ℤ) → (𝑁 + 𝐾) ∈ ℤ) | |
4 | 1, 2, 3 | sylancl 584 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑁 + 𝐾) ∈ ℤ) |
5 | eluzsubi.1 | . . . 4 ⊢ 𝑀 ∈ ℤ | |
6 | 5 | eluz1i 12873 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) ↔ (𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁)) |
7 | zre 12605 | . . . . 5 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
8 | 5 | zrei 12607 | . . . . . 6 ⊢ 𝑀 ∈ ℝ |
9 | 2 | zrei 12607 | . . . . . 6 ⊢ 𝐾 ∈ ℝ |
10 | leadd1 11720 | . . . . . 6 ⊢ ((𝑀 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝐾 ∈ ℝ) → (𝑀 ≤ 𝑁 ↔ (𝑀 + 𝐾) ≤ (𝑁 + 𝐾))) | |
11 | 8, 9, 10 | mp3an13 1449 | . . . . 5 ⊢ (𝑁 ∈ ℝ → (𝑀 ≤ 𝑁 ↔ (𝑀 + 𝐾) ≤ (𝑁 + 𝐾))) |
12 | 7, 11 | syl 17 | . . . 4 ⊢ (𝑁 ∈ ℤ → (𝑀 ≤ 𝑁 ↔ (𝑀 + 𝐾) ≤ (𝑁 + 𝐾))) |
13 | 12 | biimpa 475 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝑀 ≤ 𝑁) → (𝑀 + 𝐾) ≤ (𝑁 + 𝐾)) |
14 | 6, 13 | sylbi 216 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑀 + 𝐾) ≤ (𝑁 + 𝐾)) |
15 | zaddcl 12645 | . . . 4 ⊢ ((𝑀 ∈ ℤ ∧ 𝐾 ∈ ℤ) → (𝑀 + 𝐾) ∈ ℤ) | |
16 | 5, 2, 15 | mp2an 690 | . . 3 ⊢ (𝑀 + 𝐾) ∈ ℤ |
17 | 16 | eluz1i 12873 | . 2 ⊢ ((𝑁 + 𝐾) ∈ (ℤ≥‘(𝑀 + 𝐾)) ↔ ((𝑁 + 𝐾) ∈ ℤ ∧ (𝑀 + 𝐾) ≤ (𝑁 + 𝐾))) |
18 | 4, 14, 17 | sylanbrc 581 | 1 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑁 + 𝐾) ∈ (ℤ≥‘(𝑀 + 𝐾))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 394 ∈ wcel 2099 class class class wbr 5143 ‘cfv 6543 (class class class)co 7413 ℝcr 11145 + caddc 11149 ≤ cle 11287 ℤcz 12601 ℤ≥cuz 12865 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2697 ax-sep 5294 ax-nul 5301 ax-pow 5359 ax-pr 5423 ax-un 7735 ax-cnex 11202 ax-resscn 11203 ax-1cn 11204 ax-icn 11205 ax-addcl 11206 ax-addrcl 11207 ax-mulcl 11208 ax-mulrcl 11209 ax-mulcom 11210 ax-addass 11211 ax-mulass 11212 ax-distr 11213 ax-i2m1 11214 ax-1ne0 11215 ax-1rid 11216 ax-rnegex 11217 ax-rrecex 11218 ax-cnre 11219 ax-pre-lttri 11220 ax-pre-lttrn 11221 ax-pre-ltadd 11222 ax-pre-mulgt0 11223 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2529 df-eu 2558 df-clab 2704 df-cleq 2718 df-clel 2803 df-nfc 2878 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3365 df-rab 3420 df-v 3464 df-sbc 3776 df-csb 3892 df-dif 3949 df-un 3951 df-in 3953 df-ss 3963 df-pss 3966 df-nul 4323 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4906 df-iun 4995 df-br 5144 df-opab 5206 df-mpt 5227 df-tr 5261 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 df-pred 6302 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7369 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7866 df-2nd 7993 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-er 8723 df-en 8964 df-dom 8965 df-sdom 8966 df-pnf 11288 df-mnf 11289 df-xr 11290 df-ltxr 11291 df-le 11292 df-sub 11484 df-neg 11485 df-nn 12256 df-n0 12516 df-z 12602 df-uz 12866 |
This theorem is referenced by: (None) |
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