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| Mirrors > Home > MPE Home > Th. List > uzuzle23 | Structured version Visualization version GIF version | ||
| Description: An integer greater than or equal to 3 is an integer greater than or equal to 2. (Contributed by Alexander van der Vekens, 17-Sep-2018.) |
| Ref | Expression |
|---|---|
| uzuzle23 | ⊢ (𝐴 ∈ (ℤ≥‘3) → 𝐴 ∈ (ℤ≥‘2)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2z 12544 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | 2re 12239 | . . 3 ⊢ 2 ∈ ℝ | |
| 3 | 3re 12245 | . . 3 ⊢ 3 ∈ ℝ | |
| 4 | 2lt3 12332 | . . 3 ⊢ 2 < 3 | |
| 5 | 2, 3, 4 | ltleii 11276 | . 2 ⊢ 2 ≤ 3 |
| 6 | eluzuzle 12781 | . 2 ⊢ ((2 ∈ ℤ ∧ 2 ≤ 3) → (𝐴 ∈ (ℤ≥‘3) → 𝐴 ∈ (ℤ≥‘2))) | |
| 7 | 1, 5, 6 | mp2an 692 | 1 ⊢ (𝐴 ∈ (ℤ≥‘3) → 𝐴 ∈ (ℤ≥‘2)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2109 class class class wbr 5102 ‘cfv 6500 ≤ cle 11188 2c2 12220 3c3 12221 ℤcz 12508 ℤ≥cuz 12772 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7692 ax-cnex 11103 ax-resscn 11104 ax-1cn 11105 ax-icn 11106 ax-addcl 11107 ax-addrcl 11108 ax-mulcl 11109 ax-mulrcl 11110 ax-mulcom 11111 ax-addass 11112 ax-mulass 11113 ax-distr 11114 ax-i2m1 11115 ax-1ne0 11116 ax-1rid 11117 ax-rnegex 11118 ax-rrecex 11119 ax-cnre 11120 ax-pre-lttri 11121 ax-pre-lttrn 11122 ax-pre-ltadd 11123 ax-pre-mulgt0 11124 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6263 df-ord 6324 df-on 6325 df-lim 6326 df-suc 6327 df-iota 6453 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7327 df-ov 7373 df-oprab 7374 df-mpo 7375 df-om 7824 df-2nd 7949 df-frecs 8238 df-wrecs 8269 df-recs 8318 df-rdg 8356 df-er 8649 df-en 8897 df-dom 8898 df-sdom 8899 df-pnf 11189 df-mnf 11190 df-xr 11191 df-ltxr 11192 df-le 11193 df-sub 11386 df-neg 11387 df-nn 12166 df-2 12228 df-3 12229 df-z 12509 df-uz 12773 |
| This theorem is referenced by: eluz3nn 12827 4fvwrd4 13588 axlowdimlem17 28940 axlowdim 28943 2clwwlk2clwwlklem 30327 2clwwlk2clwwlk 30331 extwwlkfab 30333 numclwwlk1lem2f1 30338 numclwlk1lem2 30351 numclwwlk3 30366 aks5 42187 fltnltalem 42645 fltnlta 42646 fmtnonn 47527 prmdvdsfmtnof 47582 prmdvdsfmtnof1 47583 gpgprismgriedgdmss 48038 gpgusgralem 48042 gpg5nbgrvtx03starlem1 48054 gpg5nbgrvtx03starlem3 48056 gpgprismgr4cycllem3 48082 gpgprismgr4cycllem9 48088 |
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