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Mirrors > Home > ILE Home > Th. List > frec2uzlt2d | GIF version |
Description: The mapping 𝐺 (see frec2uz0d 10334) preserves order. (Contributed by Jim Kingdon, 16-May-2020.) |
Ref | Expression |
---|---|
frec2uz.1 | ⊢ (𝜑 → 𝐶 ∈ ℤ) |
frec2uz.2 | ⊢ 𝐺 = frec((𝑥 ∈ ℤ ↦ (𝑥 + 1)), 𝐶) |
frec2uzzd.a | ⊢ (𝜑 → 𝐴 ∈ ω) |
frec2uzltd.b | ⊢ (𝜑 → 𝐵 ∈ ω) |
Ref | Expression |
---|---|
frec2uzlt2d | ⊢ (𝜑 → (𝐴 ∈ 𝐵 ↔ (𝐺‘𝐴) < (𝐺‘𝐵))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | frec2uz.1 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℤ) | |
2 | frec2uz.2 | . . 3 ⊢ 𝐺 = frec((𝑥 ∈ ℤ ↦ (𝑥 + 1)), 𝐶) | |
3 | frec2uzzd.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ ω) | |
4 | frec2uzltd.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ ω) | |
5 | 1, 2, 3, 4 | frec2uzltd 10338 | . 2 ⊢ (𝜑 → (𝐴 ∈ 𝐵 → (𝐺‘𝐴) < (𝐺‘𝐵))) |
6 | nntri3or 6461 | . . . 4 ⊢ ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (𝐴 ∈ 𝐵 ∨ 𝐴 = 𝐵 ∨ 𝐵 ∈ 𝐴)) | |
7 | 3, 4, 6 | syl2anc 409 | . . 3 ⊢ (𝜑 → (𝐴 ∈ 𝐵 ∨ 𝐴 = 𝐵 ∨ 𝐵 ∈ 𝐴)) |
8 | ax-1 6 | . . . . 5 ⊢ (𝐴 ∈ 𝐵 → ((𝐺‘𝐴) < (𝐺‘𝐵) → 𝐴 ∈ 𝐵)) | |
9 | 8 | a1i 9 | . . . 4 ⊢ (𝜑 → (𝐴 ∈ 𝐵 → ((𝐺‘𝐴) < (𝐺‘𝐵) → 𝐴 ∈ 𝐵))) |
10 | fveq2 5486 | . . . . . . . . . 10 ⊢ (𝐴 = 𝐵 → (𝐺‘𝐴) = (𝐺‘𝐵)) | |
11 | 10 | adantl 275 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐺‘𝐴) = (𝐺‘𝐵)) |
12 | 11 | breq2d 3994 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐺‘𝐴) < (𝐺‘𝐴) ↔ (𝐺‘𝐴) < (𝐺‘𝐵))) |
13 | 12 | biimpar 295 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝐴 = 𝐵) ∧ (𝐺‘𝐴) < (𝐺‘𝐵)) → (𝐺‘𝐴) < (𝐺‘𝐴)) |
14 | 1, 2, 3 | frec2uzzd 10335 | . . . . . . . . . . 11 ⊢ (𝜑 → (𝐺‘𝐴) ∈ ℤ) |
15 | 14 | adantr 274 | . . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐺‘𝐴) ∈ ℤ) |
16 | 15 | adantr 274 | . . . . . . . . 9 ⊢ (((𝜑 ∧ 𝐴 = 𝐵) ∧ (𝐺‘𝐴) < (𝐺‘𝐵)) → (𝐺‘𝐴) ∈ ℤ) |
17 | 16 | zred 9313 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝐴 = 𝐵) ∧ (𝐺‘𝐴) < (𝐺‘𝐵)) → (𝐺‘𝐴) ∈ ℝ) |
18 | 17 | ltnrd 8010 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝐴 = 𝐵) ∧ (𝐺‘𝐴) < (𝐺‘𝐵)) → ¬ (𝐺‘𝐴) < (𝐺‘𝐴)) |
19 | 13, 18 | pm2.21dd 610 | . . . . . 6 ⊢ (((𝜑 ∧ 𝐴 = 𝐵) ∧ (𝐺‘𝐴) < (𝐺‘𝐵)) → 𝐴 ∈ 𝐵) |
20 | 19 | ex 114 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐺‘𝐴) < (𝐺‘𝐵) → 𝐴 ∈ 𝐵)) |
21 | 20 | ex 114 | . . . 4 ⊢ (𝜑 → (𝐴 = 𝐵 → ((𝐺‘𝐴) < (𝐺‘𝐵) → 𝐴 ∈ 𝐵))) |
22 | 1, 2, 4 | frec2uzzd 10335 | . . . . . . . . 9 ⊢ (𝜑 → (𝐺‘𝐵) ∈ ℤ) |
23 | 22 | adantr 274 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝐵 ∈ 𝐴) → (𝐺‘𝐵) ∈ ℤ) |
24 | 23 | zred 9313 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 ∈ 𝐴) → (𝐺‘𝐵) ∈ ℝ) |
25 | 14 | adantr 274 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝐵 ∈ 𝐴) → (𝐺‘𝐴) ∈ ℤ) |
26 | 25 | zred 9313 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 ∈ 𝐴) → (𝐺‘𝐴) ∈ ℝ) |
27 | 1, 2, 4, 3 | frec2uzltd 10338 | . . . . . . . 8 ⊢ (𝜑 → (𝐵 ∈ 𝐴 → (𝐺‘𝐵) < (𝐺‘𝐴))) |
28 | 27 | imp 123 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐵 ∈ 𝐴) → (𝐺‘𝐵) < (𝐺‘𝐴)) |
29 | 24, 26, 28 | ltnsymd 8018 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐵 ∈ 𝐴) → ¬ (𝐺‘𝐴) < (𝐺‘𝐵)) |
30 | 29 | pm2.21d 609 | . . . . 5 ⊢ ((𝜑 ∧ 𝐵 ∈ 𝐴) → ((𝐺‘𝐴) < (𝐺‘𝐵) → 𝐴 ∈ 𝐵)) |
31 | 30 | ex 114 | . . . 4 ⊢ (𝜑 → (𝐵 ∈ 𝐴 → ((𝐺‘𝐴) < (𝐺‘𝐵) → 𝐴 ∈ 𝐵))) |
32 | 9, 21, 31 | 3jaod 1294 | . . 3 ⊢ (𝜑 → ((𝐴 ∈ 𝐵 ∨ 𝐴 = 𝐵 ∨ 𝐵 ∈ 𝐴) → ((𝐺‘𝐴) < (𝐺‘𝐵) → 𝐴 ∈ 𝐵))) |
33 | 7, 32 | mpd 13 | . 2 ⊢ (𝜑 → ((𝐺‘𝐴) < (𝐺‘𝐵) → 𝐴 ∈ 𝐵)) |
34 | 5, 33 | impbid 128 | 1 ⊢ (𝜑 → (𝐴 ∈ 𝐵 ↔ (𝐺‘𝐴) < (𝐺‘𝐵))) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ↔ wb 104 ∨ w3o 967 = wceq 1343 ∈ wcel 2136 class class class wbr 3982 ↦ cmpt 4043 ωcom 4567 ‘cfv 5188 (class class class)co 5842 freccfrec 6358 1c1 7754 + caddc 7756 < clt 7933 ℤcz 9191 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-coll 4097 ax-sep 4100 ax-nul 4108 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-iinf 4565 ax-cnex 7844 ax-resscn 7845 ax-1cn 7846 ax-1re 7847 ax-icn 7848 ax-addcl 7849 ax-addrcl 7850 ax-mulcl 7851 ax-addcom 7853 ax-addass 7855 ax-distr 7857 ax-i2m1 7858 ax-0lt1 7859 ax-0id 7861 ax-rnegex 7862 ax-cnre 7864 ax-pre-ltirr 7865 ax-pre-ltwlin 7866 ax-pre-lttrn 7867 ax-pre-ltadd 7869 |
This theorem depends on definitions: df-bi 116 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-nel 2432 df-ral 2449 df-rex 2450 df-reu 2451 df-rab 2453 df-v 2728 df-sbc 2952 df-csb 3046 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-nul 3410 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-iun 3868 df-br 3983 df-opab 4044 df-mpt 4045 df-tr 4081 df-id 4271 df-iord 4344 df-on 4346 df-ilim 4347 df-suc 4349 df-iom 4568 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-f1 5193 df-fo 5194 df-f1o 5195 df-fv 5196 df-riota 5798 df-ov 5845 df-oprab 5846 df-mpo 5847 df-recs 6273 df-frec 6359 df-pnf 7935 df-mnf 7936 df-xr 7937 df-ltxr 7938 df-le 7939 df-sub 8071 df-neg 8072 df-inn 8858 df-n0 9115 df-z 9192 df-uz 9467 |
This theorem is referenced by: frec2uzisod 10342 frec2uzled 10364 |
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