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Mirrors > Home > MPE Home > Th. List > smorndom | Structured version Visualization version GIF version |
Description: The range of a strictly monotone ordinal function dominates the domain. (Contributed by Mario Carneiro, 13-Mar-2013.) |
Ref | Expression |
---|---|
smorndom | ⊢ ((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) → 𝐴 ⊆ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl1 1190 | . . . . . . 7 ⊢ (((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) ∧ 𝑥 ∈ 𝐴) → 𝐹:𝐴⟶𝐵) | |
2 | 1 | ffnd 6601 | . . . . . 6 ⊢ (((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) ∧ 𝑥 ∈ 𝐴) → 𝐹 Fn 𝐴) |
3 | simpl2 1191 | . . . . . 6 ⊢ (((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) ∧ 𝑥 ∈ 𝐴) → Smo 𝐹) | |
4 | smodm2 8186 | . . . . . 6 ⊢ ((𝐹 Fn 𝐴 ∧ Smo 𝐹) → Ord 𝐴) | |
5 | 2, 3, 4 | syl2anc 584 | . . . . 5 ⊢ (((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) ∧ 𝑥 ∈ 𝐴) → Ord 𝐴) |
6 | ordelord 6288 | . . . . 5 ⊢ ((Ord 𝐴 ∧ 𝑥 ∈ 𝐴) → Ord 𝑥) | |
7 | 5, 6 | sylancom 588 | . . . 4 ⊢ (((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) ∧ 𝑥 ∈ 𝐴) → Ord 𝑥) |
8 | simpl3 1192 | . . . 4 ⊢ (((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) ∧ 𝑥 ∈ 𝐴) → Ord 𝐵) | |
9 | simpr 485 | . . . . 5 ⊢ (((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) ∧ 𝑥 ∈ 𝐴) → 𝑥 ∈ 𝐴) | |
10 | smogt 8198 | . . . . 5 ⊢ ((𝐹 Fn 𝐴 ∧ Smo 𝐹 ∧ 𝑥 ∈ 𝐴) → 𝑥 ⊆ (𝐹‘𝑥)) | |
11 | 2, 3, 9, 10 | syl3anc 1370 | . . . 4 ⊢ (((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) ∧ 𝑥 ∈ 𝐴) → 𝑥 ⊆ (𝐹‘𝑥)) |
12 | ffvelrn 6959 | . . . . 5 ⊢ ((𝐹:𝐴⟶𝐵 ∧ 𝑥 ∈ 𝐴) → (𝐹‘𝑥) ∈ 𝐵) | |
13 | 12 | 3ad2antl1 1184 | . . . 4 ⊢ (((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) ∧ 𝑥 ∈ 𝐴) → (𝐹‘𝑥) ∈ 𝐵) |
14 | ordtr2 6310 | . . . . 5 ⊢ ((Ord 𝑥 ∧ Ord 𝐵) → ((𝑥 ⊆ (𝐹‘𝑥) ∧ (𝐹‘𝑥) ∈ 𝐵) → 𝑥 ∈ 𝐵)) | |
15 | 14 | imp 407 | . . . 4 ⊢ (((Ord 𝑥 ∧ Ord 𝐵) ∧ (𝑥 ⊆ (𝐹‘𝑥) ∧ (𝐹‘𝑥) ∈ 𝐵)) → 𝑥 ∈ 𝐵) |
16 | 7, 8, 11, 13, 15 | syl22anc 836 | . . 3 ⊢ (((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) ∧ 𝑥 ∈ 𝐴) → 𝑥 ∈ 𝐵) |
17 | 16 | ex 413 | . 2 ⊢ ((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) → (𝑥 ∈ 𝐴 → 𝑥 ∈ 𝐵)) |
18 | 17 | ssrdv 3927 | 1 ⊢ ((𝐹:𝐴⟶𝐵 ∧ Smo 𝐹 ∧ Ord 𝐵) → 𝐴 ⊆ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1086 ∈ wcel 2106 ⊆ wss 3887 Ord word 6265 Fn wfn 6428 ⟶wf 6429 ‘cfv 6433 Smo wsmo 8176 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-ord 6269 df-on 6270 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-fv 6441 df-smo 8177 |
This theorem is referenced by: cofsmo 10025 hsmexlem1 10182 |
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