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| Mirrors > Home > ILE Home > Th. List > n2dvds3 | GIF version | ||
| Description: 2 does not divide 3, i.e. 3 is an odd number. (Contributed by AV, 28-Feb-2021.) |
| Ref | Expression |
|---|---|
| n2dvds3 | ⊢ ¬ 2 ∥ 3 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2z 9490 | . . . 4 ⊢ 2 ∈ ℤ | |
| 2 | iddvds 12336 | . . . 4 ⊢ (2 ∈ ℤ → 2 ∥ 2) | |
| 3 | 1, 2 | ax-mp 5 | . . 3 ⊢ 2 ∥ 2 |
| 4 | 3m1e2 9246 | . . 3 ⊢ (3 − 1) = 2 | |
| 5 | 3, 4 | breqtrri 4110 | . 2 ⊢ 2 ∥ (3 − 1) |
| 6 | 3z 9491 | . . 3 ⊢ 3 ∈ ℤ | |
| 7 | oddm1even 12407 | . . 3 ⊢ (3 ∈ ℤ → (¬ 2 ∥ 3 ↔ 2 ∥ (3 − 1))) | |
| 8 | 6, 7 | ax-mp 5 | . 2 ⊢ (¬ 2 ∥ 3 ↔ 2 ∥ (3 − 1)) |
| 9 | 5, 8 | mpbir 146 | 1 ⊢ ¬ 2 ∥ 3 |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 3 ↔ wb 105 ∈ wcel 2200 class class class wbr 4083 (class class class)co 6010 1c1 8016 − cmin 8333 2c2 9177 3c3 9178 ℤcz 9462 ∥ cdvds 12319 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4259 ax-pr 4294 ax-un 4525 ax-setind 4630 ax-cnex 8106 ax-resscn 8107 ax-1cn 8108 ax-1re 8109 ax-icn 8110 ax-addcl 8111 ax-addrcl 8112 ax-mulcl 8113 ax-mulrcl 8114 ax-addcom 8115 ax-mulcom 8116 ax-addass 8117 ax-mulass 8118 ax-distr 8119 ax-i2m1 8120 ax-0lt1 8121 ax-1rid 8122 ax-0id 8123 ax-rnegex 8124 ax-precex 8125 ax-cnre 8126 ax-pre-ltirr 8127 ax-pre-ltwlin 8128 ax-pre-lttrn 8129 ax-pre-apti 8130 ax-pre-ltadd 8131 ax-pre-mulgt0 8132 ax-pre-mulext 8133 |
| This theorem depends on definitions: df-bi 117 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-xor 1418 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2801 df-sbc 3029 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-br 4084 df-opab 4146 df-id 4385 df-po 4388 df-iso 4389 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-iota 5281 df-fun 5323 df-fv 5329 df-riota 5963 df-ov 6013 df-oprab 6014 df-mpo 6015 df-pnf 8199 df-mnf 8200 df-xr 8201 df-ltxr 8202 df-le 8203 df-sub 8335 df-neg 8336 df-reap 8738 df-ap 8745 df-div 8836 df-inn 9127 df-2 9185 df-3 9186 df-n0 9386 df-z 9463 df-dvds 12320 |
| This theorem is referenced by: 2lgsoddprmlem3 15811 |
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