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Mirrors > Home > MPE Home > Th. List > prdsleval | Structured version Visualization version GIF version |
Description: Value of the product ordering in a structure product. (Contributed by Mario Carneiro, 15-Aug-2015.) |
Ref | Expression |
---|---|
prdsbasmpt.y | ⊢ 𝑌 = (𝑆Xs𝑅) |
prdsbasmpt.b | ⊢ 𝐵 = (Base‘𝑌) |
prdsbasmpt.s | ⊢ (𝜑 → 𝑆 ∈ 𝑉) |
prdsbasmpt.i | ⊢ (𝜑 → 𝐼 ∈ 𝑊) |
prdsbasmpt.r | ⊢ (𝜑 → 𝑅 Fn 𝐼) |
prdsplusgval.f | ⊢ (𝜑 → 𝐹 ∈ 𝐵) |
prdsplusgval.g | ⊢ (𝜑 → 𝐺 ∈ 𝐵) |
prdsleval.l | ⊢ ≤ = (le‘𝑌) |
Ref | Expression |
---|---|
prdsleval | ⊢ (𝜑 → (𝐹 ≤ 𝐺 ↔ ∀𝑥 ∈ 𝐼 (𝐹‘𝑥)(le‘(𝑅‘𝑥))(𝐺‘𝑥))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-br 5080 | . . 3 ⊢ (𝐹 ≤ 𝐺 ↔ 〈𝐹, 𝐺〉 ∈ ≤ ) | |
2 | prdsbasmpt.y | . . . . . 6 ⊢ 𝑌 = (𝑆Xs𝑅) | |
3 | prdsbasmpt.s | . . . . . 6 ⊢ (𝜑 → 𝑆 ∈ 𝑉) | |
4 | prdsbasmpt.r | . . . . . . 7 ⊢ (𝜑 → 𝑅 Fn 𝐼) | |
5 | prdsbasmpt.i | . . . . . . 7 ⊢ (𝜑 → 𝐼 ∈ 𝑊) | |
6 | fnex 7090 | . . . . . . 7 ⊢ ((𝑅 Fn 𝐼 ∧ 𝐼 ∈ 𝑊) → 𝑅 ∈ V) | |
7 | 4, 5, 6 | syl2anc 584 | . . . . . 6 ⊢ (𝜑 → 𝑅 ∈ V) |
8 | prdsbasmpt.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑌) | |
9 | 4 | fndmd 6536 | . . . . . 6 ⊢ (𝜑 → dom 𝑅 = 𝐼) |
10 | prdsleval.l | . . . . . 6 ⊢ ≤ = (le‘𝑌) | |
11 | 2, 3, 7, 8, 9, 10 | prdsle 17171 | . . . . 5 ⊢ (𝜑 → ≤ = {〈𝑓, 𝑔〉 ∣ ({𝑓, 𝑔} ⊆ 𝐵 ∧ ∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥))}) |
12 | vex 3435 | . . . . . . . 8 ⊢ 𝑓 ∈ V | |
13 | vex 3435 | . . . . . . . 8 ⊢ 𝑔 ∈ V | |
14 | 12, 13 | prss 4759 | . . . . . . 7 ⊢ ((𝑓 ∈ 𝐵 ∧ 𝑔 ∈ 𝐵) ↔ {𝑓, 𝑔} ⊆ 𝐵) |
15 | 14 | anbi1i 624 | . . . . . 6 ⊢ (((𝑓 ∈ 𝐵 ∧ 𝑔 ∈ 𝐵) ∧ ∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥)) ↔ ({𝑓, 𝑔} ⊆ 𝐵 ∧ ∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥))) |
16 | 15 | opabbii 5146 | . . . . 5 ⊢ {〈𝑓, 𝑔〉 ∣ ((𝑓 ∈ 𝐵 ∧ 𝑔 ∈ 𝐵) ∧ ∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥))} = {〈𝑓, 𝑔〉 ∣ ({𝑓, 𝑔} ⊆ 𝐵 ∧ ∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥))} |
17 | 11, 16 | eqtr4di 2798 | . . . 4 ⊢ (𝜑 → ≤ = {〈𝑓, 𝑔〉 ∣ ((𝑓 ∈ 𝐵 ∧ 𝑔 ∈ 𝐵) ∧ ∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥))}) |
18 | 17 | eleq2d 2826 | . . 3 ⊢ (𝜑 → (〈𝐹, 𝐺〉 ∈ ≤ ↔ 〈𝐹, 𝐺〉 ∈ {〈𝑓, 𝑔〉 ∣ ((𝑓 ∈ 𝐵 ∧ 𝑔 ∈ 𝐵) ∧ ∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥))})) |
19 | 1, 18 | bitrid 282 | . 2 ⊢ (𝜑 → (𝐹 ≤ 𝐺 ↔ 〈𝐹, 𝐺〉 ∈ {〈𝑓, 𝑔〉 ∣ ((𝑓 ∈ 𝐵 ∧ 𝑔 ∈ 𝐵) ∧ ∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥))})) |
20 | prdsplusgval.f | . . 3 ⊢ (𝜑 → 𝐹 ∈ 𝐵) | |
21 | prdsplusgval.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ 𝐵) | |
22 | fveq1 6770 | . . . . . 6 ⊢ (𝑓 = 𝐹 → (𝑓‘𝑥) = (𝐹‘𝑥)) | |
23 | fveq1 6770 | . . . . . 6 ⊢ (𝑔 = 𝐺 → (𝑔‘𝑥) = (𝐺‘𝑥)) | |
24 | 22, 23 | breqan12d 5095 | . . . . 5 ⊢ ((𝑓 = 𝐹 ∧ 𝑔 = 𝐺) → ((𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥) ↔ (𝐹‘𝑥)(le‘(𝑅‘𝑥))(𝐺‘𝑥))) |
25 | 24 | ralbidv 3123 | . . . 4 ⊢ ((𝑓 = 𝐹 ∧ 𝑔 = 𝐺) → (∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥) ↔ ∀𝑥 ∈ 𝐼 (𝐹‘𝑥)(le‘(𝑅‘𝑥))(𝐺‘𝑥))) |
26 | 25 | opelopab2a 5451 | . . 3 ⊢ ((𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐵) → (〈𝐹, 𝐺〉 ∈ {〈𝑓, 𝑔〉 ∣ ((𝑓 ∈ 𝐵 ∧ 𝑔 ∈ 𝐵) ∧ ∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥))} ↔ ∀𝑥 ∈ 𝐼 (𝐹‘𝑥)(le‘(𝑅‘𝑥))(𝐺‘𝑥))) |
27 | 20, 21, 26 | syl2anc 584 | . 2 ⊢ (𝜑 → (〈𝐹, 𝐺〉 ∈ {〈𝑓, 𝑔〉 ∣ ((𝑓 ∈ 𝐵 ∧ 𝑔 ∈ 𝐵) ∧ ∀𝑥 ∈ 𝐼 (𝑓‘𝑥)(le‘(𝑅‘𝑥))(𝑔‘𝑥))} ↔ ∀𝑥 ∈ 𝐼 (𝐹‘𝑥)(le‘(𝑅‘𝑥))(𝐺‘𝑥))) |
28 | 19, 27 | bitrd 278 | 1 ⊢ (𝜑 → (𝐹 ≤ 𝐺 ↔ ∀𝑥 ∈ 𝐼 (𝐹‘𝑥)(le‘(𝑅‘𝑥))(𝐺‘𝑥))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1542 ∈ wcel 2110 ∀wral 3066 Vcvv 3431 ⊆ wss 3892 {cpr 4569 〈cop 4573 class class class wbr 5079 {copab 5141 Fn wfn 6427 ‘cfv 6432 (class class class)co 7271 Basecbs 16910 lecple 16967 Xscprds 17154 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2015 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2711 ax-rep 5214 ax-sep 5227 ax-nul 5234 ax-pow 5292 ax-pr 5356 ax-un 7582 ax-cnex 10928 ax-resscn 10929 ax-1cn 10930 ax-icn 10931 ax-addcl 10932 ax-addrcl 10933 ax-mulcl 10934 ax-mulrcl 10935 ax-mulcom 10936 ax-addass 10937 ax-mulass 10938 ax-distr 10939 ax-i2m1 10940 ax-1ne0 10941 ax-1rid 10942 ax-rnegex 10943 ax-rrecex 10944 ax-cnre 10945 ax-pre-lttri 10946 ax-pre-lttrn 10947 ax-pre-ltadd 10948 ax-pre-mulgt0 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2072 df-mo 2542 df-eu 2571 df-clab 2718 df-cleq 2732 df-clel 2818 df-nfc 2891 df-ne 2946 df-nel 3052 df-ral 3071 df-rex 3072 df-reu 3073 df-rab 3075 df-v 3433 df-sbc 3721 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4846 df-iun 4932 df-br 5080 df-opab 5142 df-mpt 5163 df-tr 5197 df-id 5490 df-eprel 5496 df-po 5504 df-so 5505 df-fr 5545 df-we 5547 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-pred 6201 df-ord 6268 df-on 6269 df-lim 6270 df-suc 6271 df-iota 6390 df-fun 6434 df-fn 6435 df-f 6436 df-f1 6437 df-fo 6438 df-f1o 6439 df-fv 6440 df-riota 7228 df-ov 7274 df-oprab 7275 df-mpo 7276 df-om 7707 df-1st 7824 df-2nd 7825 df-frecs 8088 df-wrecs 8119 df-recs 8193 df-rdg 8232 df-1o 8288 df-er 8481 df-map 8600 df-ixp 8669 df-en 8717 df-dom 8718 df-sdom 8719 df-fin 8720 df-sup 9179 df-pnf 11012 df-mnf 11013 df-xr 11014 df-ltxr 11015 df-le 11016 df-sub 11207 df-neg 11208 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12437 df-uz 12582 df-fz 13239 df-struct 16846 df-slot 16881 df-ndx 16893 df-base 16911 df-plusg 16973 df-mulr 16974 df-sca 16976 df-vsca 16977 df-ip 16978 df-tset 16979 df-ple 16980 df-ds 16982 df-hom 16984 df-cco 16985 df-prds 17156 |
This theorem is referenced by: xpsle 17288 |
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