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Mirrors > Home > MPE Home > Th. List > coe1mul2lem1 | Structured version Visualization version GIF version |
Description: An equivalence for coe1mul2 21428. (Contributed by Stefan O'Rear, 25-Mar-2015.) |
Ref | Expression |
---|---|
coe1mul2lem1 | ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → (𝑋 ∘r ≤ (1o × {𝐴}) ↔ (𝑋‘∅) ∈ (0...𝐴))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1on 8297 | . . . 4 ⊢ 1o ∈ On | |
2 | 1 | a1i 11 | . . 3 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → 1o ∈ On) |
3 | fvexd 6782 | . . 3 ⊢ (((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) ∧ 𝑎 ∈ 1o) → (𝑋‘∅) ∈ V) | |
4 | simpll 764 | . . 3 ⊢ (((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) ∧ 𝑎 ∈ 1o) → 𝐴 ∈ ℕ0) | |
5 | df1o2 8292 | . . . . . 6 ⊢ 1o = {∅} | |
6 | nn0ex 12227 | . . . . . 6 ⊢ ℕ0 ∈ V | |
7 | 0ex 5230 | . . . . . 6 ⊢ ∅ ∈ V | |
8 | 5, 6, 7 | mapsnconst 8668 | . . . . 5 ⊢ (𝑋 ∈ (ℕ0 ↑m 1o) → 𝑋 = (1o × {(𝑋‘∅)})) |
9 | 8 | adantl 482 | . . . 4 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → 𝑋 = (1o × {(𝑋‘∅)})) |
10 | fconstmpt 5645 | . . . 4 ⊢ (1o × {(𝑋‘∅)}) = (𝑎 ∈ 1o ↦ (𝑋‘∅)) | |
11 | 9, 10 | eqtrdi 2794 | . . 3 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → 𝑋 = (𝑎 ∈ 1o ↦ (𝑋‘∅))) |
12 | fconstmpt 5645 | . . . 4 ⊢ (1o × {𝐴}) = (𝑎 ∈ 1o ↦ 𝐴) | |
13 | 12 | a1i 11 | . . 3 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → (1o × {𝐴}) = (𝑎 ∈ 1o ↦ 𝐴)) |
14 | 2, 3, 4, 11, 13 | ofrfval2 7545 | . 2 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → (𝑋 ∘r ≤ (1o × {𝐴}) ↔ ∀𝑎 ∈ 1o (𝑋‘∅) ≤ 𝐴)) |
15 | 1n0 8306 | . . 3 ⊢ 1o ≠ ∅ | |
16 | r19.3rzv 4430 | . . 3 ⊢ (1o ≠ ∅ → ((𝑋‘∅) ≤ 𝐴 ↔ ∀𝑎 ∈ 1o (𝑋‘∅) ≤ 𝐴)) | |
17 | 15, 16 | mp1i 13 | . 2 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → ((𝑋‘∅) ≤ 𝐴 ↔ ∀𝑎 ∈ 1o (𝑋‘∅) ≤ 𝐴)) |
18 | elmapi 8625 | . . . . . 6 ⊢ (𝑋 ∈ (ℕ0 ↑m 1o) → 𝑋:1o⟶ℕ0) | |
19 | 0lt1o 8322 | . . . . . 6 ⊢ ∅ ∈ 1o | |
20 | ffvelrn 6952 | . . . . . 6 ⊢ ((𝑋:1o⟶ℕ0 ∧ ∅ ∈ 1o) → (𝑋‘∅) ∈ ℕ0) | |
21 | 18, 19, 20 | sylancl 586 | . . . . 5 ⊢ (𝑋 ∈ (ℕ0 ↑m 1o) → (𝑋‘∅) ∈ ℕ0) |
22 | 21 | adantl 482 | . . . 4 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → (𝑋‘∅) ∈ ℕ0) |
23 | 22 | biantrurd 533 | . . 3 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → ((𝑋‘∅) ≤ 𝐴 ↔ ((𝑋‘∅) ∈ ℕ0 ∧ (𝑋‘∅) ≤ 𝐴))) |
24 | fznn0 13336 | . . . 4 ⊢ (𝐴 ∈ ℕ0 → ((𝑋‘∅) ∈ (0...𝐴) ↔ ((𝑋‘∅) ∈ ℕ0 ∧ (𝑋‘∅) ≤ 𝐴))) | |
25 | 24 | adantr 481 | . . 3 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → ((𝑋‘∅) ∈ (0...𝐴) ↔ ((𝑋‘∅) ∈ ℕ0 ∧ (𝑋‘∅) ≤ 𝐴))) |
26 | 23, 25 | bitr4d 281 | . 2 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → ((𝑋‘∅) ≤ 𝐴 ↔ (𝑋‘∅) ∈ (0...𝐴))) |
27 | 14, 17, 26 | 3bitr2d 307 | 1 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑋 ∈ (ℕ0 ↑m 1o)) → (𝑋 ∘r ≤ (1o × {𝐴}) ↔ (𝑋‘∅) ∈ (0...𝐴))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 ∀wral 3064 Vcvv 3430 ∅c0 4257 {csn 4562 class class class wbr 5074 ↦ cmpt 5157 × cxp 5583 Oncon0 6260 ⟶wf 6423 ‘cfv 6427 (class class class)co 7268 ∘r cofr 7523 1oc1o 8278 ↑m cmap 8603 0cc0 10859 ≤ cle 10998 ℕ0cn0 12221 ...cfz 13227 |
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-rep 5209 ax-sep 5222 ax-nul 5229 ax-pow 5287 ax-pr 5351 ax-un 7579 ax-cnex 10915 ax-resscn 10916 ax-1cn 10917 ax-icn 10918 ax-addcl 10919 ax-addrcl 10920 ax-mulcl 10921 ax-mulrcl 10922 ax-mulcom 10923 ax-addass 10924 ax-mulass 10925 ax-distr 10926 ax-i2m1 10927 ax-1ne0 10928 ax-1rid 10929 ax-rnegex 10930 ax-rrecex 10931 ax-cnre 10932 ax-pre-lttri 10933 ax-pre-lttrn 10934 ax-pre-ltadd 10935 ax-pre-mulgt0 10936 |
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-nel 3050 df-ral 3069 df-rex 3070 df-reu 3071 df-rab 3073 df-v 3432 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4258 df-if 4461 df-pw 4536 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4841 df-iun 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5485 df-eprel 5491 df-po 5499 df-so 5500 df-fr 5540 df-we 5542 df-xp 5591 df-rel 5592 df-cnv 5593 df-co 5594 df-dm 5595 df-rn 5596 df-res 5597 df-ima 5598 df-pred 6196 df-ord 6263 df-on 6264 df-lim 6265 df-suc 6266 df-iota 6385 df-fun 6429 df-fn 6430 df-f 6431 df-f1 6432 df-fo 6433 df-f1o 6434 df-fv 6435 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-ofr 7525 df-om 7704 df-1st 7821 df-2nd 7822 df-frecs 8085 df-wrecs 8116 df-recs 8190 df-rdg 8229 df-1o 8285 df-er 8486 df-map 8605 df-en 8722 df-dom 8723 df-sdom 8724 df-pnf 10999 df-mnf 11000 df-xr 11001 df-ltxr 11002 df-le 11003 df-sub 11195 df-neg 11196 df-nn 11962 df-n0 12222 df-z 12308 df-fz 13228 |
This theorem is referenced by: coe1mul2lem2 21427 coe1mul2 21428 |
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