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| Mirrors > Home > MPE Home > Th. List > z2even | Structured version Visualization version GIF version | ||
| Description: 2 divides 2. That means 2 is even. (Contributed by AV, 12-Feb-2020.) (Revised by AV, 23-Jun-2021.) |
| Ref | Expression |
|---|---|
| z2even | ⊢ 2 ∥ 2 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2z 12596 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | iddvds 16293 | . 2 ⊢ (2 ∈ ℤ → 2 ∥ 2) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 2 ∥ 2 |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2141 class class class wbr 5097 2c2 12265 ℤcz 12561 ∥ cdvds 16276 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5243 ax-nul 5253 ax-pr 5387 ax-un 7712 ax-resscn 11123 ax-1cn 11124 ax-icn 11125 ax-addcl 11126 ax-addrcl 11127 ax-mulcl 11128 ax-mulrcl 11129 ax-mulcom 11130 ax-mulass 11132 ax-distr 11133 ax-i2m1 11134 ax-1ne0 11135 ax-1rid 11136 ax-rrecex 11138 ax-cnre 11139 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6282 df-ord 6343 df-on 6344 df-lim 6345 df-suc 6346 df-iota 6471 df-fun 6517 df-fn 6518 df-f 6519 df-f1 6520 df-fo 6521 df-f1o 6522 df-fv 6523 df-ov 7393 df-om 7841 df-2nd 7965 df-frecs 8255 df-wrecs 8286 df-recs 8335 df-rdg 8374 df-neg 11410 df-nn 12204 df-2 12273 df-z 12562 df-dvds 16277 |
| This theorem is referenced by: nnoddn2prmb 16839 ppiublem2 27254 2lgslem2 27446 2lgs2 27456 2lgs 27458 eupth2lem3lem3 30388 lighneallem4b 48178 |
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