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Mirrors > Home > MPE Home > Th. List > nn0pzuz | Structured version Visualization version GIF version |
Description: The sum of a nonnegative integer and an integer is an integer greater than or equal to that integer. (Contributed by Alexander van der Vekens, 3-Oct-2018.) |
Ref | Expression |
---|---|
nn0pzuz | ⊢ ((𝑁 ∈ ℕ0 ∧ 𝑍 ∈ ℤ) → (𝑁 + 𝑍) ∈ (ℤ≥‘𝑍)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 488 | . 2 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝑍 ∈ ℤ) → 𝑍 ∈ ℤ) | |
2 | nn0z 12230 | . . 3 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℤ) | |
3 | zaddcl 12247 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝑍 ∈ ℤ) → (𝑁 + 𝑍) ∈ ℤ) | |
4 | 2, 3 | sylan 583 | . 2 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝑍 ∈ ℤ) → (𝑁 + 𝑍) ∈ ℤ) |
5 | zre 12210 | . . . 4 ⊢ (𝑍 ∈ ℤ → 𝑍 ∈ ℝ) | |
6 | nn0addge2 12167 | . . . 4 ⊢ ((𝑍 ∈ ℝ ∧ 𝑁 ∈ ℕ0) → 𝑍 ≤ (𝑁 + 𝑍)) | |
7 | 5, 6 | sylan 583 | . . 3 ⊢ ((𝑍 ∈ ℤ ∧ 𝑁 ∈ ℕ0) → 𝑍 ≤ (𝑁 + 𝑍)) |
8 | 7 | ancoms 462 | . 2 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝑍 ∈ ℤ) → 𝑍 ≤ (𝑁 + 𝑍)) |
9 | eluz2 12474 | . 2 ⊢ ((𝑁 + 𝑍) ∈ (ℤ≥‘𝑍) ↔ (𝑍 ∈ ℤ ∧ (𝑁 + 𝑍) ∈ ℤ ∧ 𝑍 ≤ (𝑁 + 𝑍))) | |
10 | 1, 4, 8, 9 | syl3anbrc 1345 | 1 ⊢ ((𝑁 ∈ ℕ0 ∧ 𝑍 ∈ ℤ) → (𝑁 + 𝑍) ∈ (ℤ≥‘𝑍)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∈ wcel 2112 class class class wbr 5070 ‘cfv 6401 (class class class)co 7235 ℝcr 10758 + caddc 10762 ≤ cle 10898 ℕ0cn0 12120 ℤcz 12206 ℤ≥cuz 12468 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2710 ax-sep 5209 ax-nul 5216 ax-pow 5275 ax-pr 5339 ax-un 7545 ax-cnex 10815 ax-resscn 10816 ax-1cn 10817 ax-icn 10818 ax-addcl 10819 ax-addrcl 10820 ax-mulcl 10821 ax-mulrcl 10822 ax-mulcom 10823 ax-addass 10824 ax-mulass 10825 ax-distr 10826 ax-i2m1 10827 ax-1ne0 10828 ax-1rid 10829 ax-rnegex 10830 ax-rrecex 10831 ax-cnre 10832 ax-pre-lttri 10833 ax-pre-lttrn 10834 ax-pre-ltadd 10835 ax-pre-mulgt0 10836 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2818 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3071 df-rab 3073 df-v 3425 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4255 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5153 df-tr 5179 df-id 5472 df-eprel 5478 df-po 5486 df-so 5487 df-fr 5527 df-we 5529 df-xp 5575 df-rel 5576 df-cnv 5577 df-co 5578 df-dm 5579 df-rn 5580 df-res 5581 df-ima 5582 df-pred 6179 df-ord 6237 df-on 6238 df-lim 6239 df-suc 6240 df-iota 6359 df-fun 6403 df-fn 6404 df-f 6405 df-f1 6406 df-fo 6407 df-f1o 6408 df-fv 6409 df-riota 7192 df-ov 7238 df-oprab 7239 df-mpo 7240 df-om 7667 df-wrecs 8071 df-recs 8132 df-rdg 8170 df-er 8415 df-en 8651 df-dom 8652 df-sdom 8653 df-pnf 10899 df-mnf 10900 df-xr 10901 df-ltxr 10902 df-le 10903 df-sub 11094 df-neg 11095 df-nn 11861 df-n0 12121 df-z 12207 df-uz 12469 |
This theorem is referenced by: elfzoext 13329 ccatalpha 14183 gausslemma2dlem6 26285 numclwwlk2lem1 28491 numclwlk2lem2f 28492 numclwlk2lem2f1o 28494 |
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