Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > smatbl | Structured version Visualization version GIF version |
Description: Entries of a submatrix, bottom left. (Contributed by Thierry Arnoux, 19-Aug-2020.) |
Ref | Expression |
---|---|
smat.s | ⊢ 𝑆 = (𝐾(subMat1‘𝐴)𝐿) |
smat.m | ⊢ (𝜑 → 𝑀 ∈ ℕ) |
smat.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
smat.k | ⊢ (𝜑 → 𝐾 ∈ (1...𝑀)) |
smat.l | ⊢ (𝜑 → 𝐿 ∈ (1...𝑁)) |
smat.a | ⊢ (𝜑 → 𝐴 ∈ (𝐵 ↑m ((1...𝑀) × (1...𝑁)))) |
smatbl.i | ⊢ (𝜑 → 𝐼 ∈ (1..^𝐾)) |
smatbl.j | ⊢ (𝜑 → 𝐽 ∈ (𝐿...𝑁)) |
Ref | Expression |
---|---|
smatbl | ⊢ (𝜑 → (𝐼𝑆𝐽) = (𝐼𝐴(𝐽 + 1))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | smat.s | . 2 ⊢ 𝑆 = (𝐾(subMat1‘𝐴)𝐿) | |
2 | smat.m | . 2 ⊢ (𝜑 → 𝑀 ∈ ℕ) | |
3 | smat.n | . 2 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
4 | smat.k | . 2 ⊢ (𝜑 → 𝐾 ∈ (1...𝑀)) | |
5 | smat.l | . 2 ⊢ (𝜑 → 𝐿 ∈ (1...𝑁)) | |
6 | smat.a | . 2 ⊢ (𝜑 → 𝐴 ∈ (𝐵 ↑m ((1...𝑀) × (1...𝑁)))) | |
7 | fzossnn 13089 | . . 3 ⊢ (1..^𝐾) ⊆ ℕ | |
8 | smatbl.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ (1..^𝐾)) | |
9 | 7, 8 | sseldi 3967 | . 2 ⊢ (𝜑 → 𝐼 ∈ ℕ) |
10 | fz1ssnn 12941 | . . . . 5 ⊢ (1...𝑁) ⊆ ℕ | |
11 | 10, 5 | sseldi 3967 | . . . 4 ⊢ (𝜑 → 𝐿 ∈ ℕ) |
12 | fzssnn 12954 | . . . 4 ⊢ (𝐿 ∈ ℕ → (𝐿...𝑁) ⊆ ℕ) | |
13 | 11, 12 | syl 17 | . . 3 ⊢ (𝜑 → (𝐿...𝑁) ⊆ ℕ) |
14 | smatbl.j | . . 3 ⊢ (𝜑 → 𝐽 ∈ (𝐿...𝑁)) | |
15 | 13, 14 | sseldd 3970 | . 2 ⊢ (𝜑 → 𝐽 ∈ ℕ) |
16 | elfzolt2 13050 | . . . 4 ⊢ (𝐼 ∈ (1..^𝐾) → 𝐼 < 𝐾) | |
17 | 8, 16 | syl 17 | . . 3 ⊢ (𝜑 → 𝐼 < 𝐾) |
18 | 17 | iftrued 4477 | . 2 ⊢ (𝜑 → if(𝐼 < 𝐾, 𝐼, (𝐼 + 1)) = 𝐼) |
19 | elfzle1 12913 | . . . . 5 ⊢ (𝐽 ∈ (𝐿...𝑁) → 𝐿 ≤ 𝐽) | |
20 | 14, 19 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐿 ≤ 𝐽) |
21 | 11 | nnred 11655 | . . . . 5 ⊢ (𝜑 → 𝐿 ∈ ℝ) |
22 | 15 | nnred 11655 | . . . . 5 ⊢ (𝜑 → 𝐽 ∈ ℝ) |
23 | 21, 22 | lenltd 10788 | . . . 4 ⊢ (𝜑 → (𝐿 ≤ 𝐽 ↔ ¬ 𝐽 < 𝐿)) |
24 | 20, 23 | mpbid 234 | . . 3 ⊢ (𝜑 → ¬ 𝐽 < 𝐿) |
25 | 24 | iffalsed 4480 | . 2 ⊢ (𝜑 → if(𝐽 < 𝐿, 𝐽, (𝐽 + 1)) = (𝐽 + 1)) |
26 | 1, 2, 3, 4, 5, 6, 9, 15, 18, 25 | smatlem 31064 | 1 ⊢ (𝜑 → (𝐼𝑆𝐽) = (𝐼𝐴(𝐽 + 1))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 = wceq 1537 ∈ wcel 2114 ⊆ wss 3938 class class class wbr 5068 × cxp 5555 ‘cfv 6357 (class class class)co 7158 ↑m cmap 8408 1c1 10540 + caddc 10542 < clt 10677 ≤ cle 10678 ℕcn 11640 ...cfz 12895 ..^cfzo 13036 subMat1csmat 31060 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-rep 5192 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-cnex 10595 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 ax-pre-mulgt0 10616 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-pss 3956 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-tr 5175 df-id 5462 df-eprel 5467 df-po 5476 df-so 5477 df-fr 5516 df-we 5518 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-pred 6150 df-ord 6196 df-on 6197 df-lim 6198 df-suc 6199 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-oprab 7162 df-mpo 7163 df-om 7583 df-1st 7691 df-2nd 7692 df-wrecs 7949 df-recs 8010 df-rdg 8048 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-pnf 10679 df-mnf 10680 df-xr 10681 df-ltxr 10682 df-le 10683 df-sub 10874 df-neg 10875 df-nn 11641 df-n0 11901 df-z 11985 df-uz 12247 df-fz 12896 df-fzo 13037 df-smat 31061 |
This theorem is referenced by: submateq 31076 |
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