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Mirrors > Home > MPE Home > Th. List > xpsdsfn2 | Structured version Visualization version GIF version |
Description: Closure of the metric in a binary structure product. (Contributed by Mario Carneiro, 20-Aug-2015.) |
Ref | Expression |
---|---|
xpsds.t | ⊢ 𝑇 = (𝑅 ×s 𝑆) |
xpsds.x | ⊢ 𝑋 = (Base‘𝑅) |
xpsds.y | ⊢ 𝑌 = (Base‘𝑆) |
xpsds.1 | ⊢ (𝜑 → 𝑅 ∈ 𝑉) |
xpsds.2 | ⊢ (𝜑 → 𝑆 ∈ 𝑊) |
xpsds.p | ⊢ 𝑃 = (dist‘𝑇) |
Ref | Expression |
---|---|
xpsdsfn2 | ⊢ (𝜑 → 𝑃 Fn ((Base‘𝑇) × (Base‘𝑇))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xpsds.t | . . 3 ⊢ 𝑇 = (𝑅 ×s 𝑆) | |
2 | xpsds.x | . . 3 ⊢ 𝑋 = (Base‘𝑅) | |
3 | xpsds.y | . . 3 ⊢ 𝑌 = (Base‘𝑆) | |
4 | xpsds.1 | . . 3 ⊢ (𝜑 → 𝑅 ∈ 𝑉) | |
5 | xpsds.2 | . . 3 ⊢ (𝜑 → 𝑆 ∈ 𝑊) | |
6 | xpsds.p | . . 3 ⊢ 𝑃 = (dist‘𝑇) | |
7 | 1, 2, 3, 4, 5, 6 | xpsdsfn 23069 | . 2 ⊢ (𝜑 → 𝑃 Fn ((𝑋 × 𝑌) × (𝑋 × 𝑌))) |
8 | 1, 2, 3, 4, 5 | xpsbas 16893 | . . . 4 ⊢ (𝜑 → (𝑋 × 𝑌) = (Base‘𝑇)) |
9 | 8 | sqxpeqd 5554 | . . 3 ⊢ (𝜑 → ((𝑋 × 𝑌) × (𝑋 × 𝑌)) = ((Base‘𝑇) × (Base‘𝑇))) |
10 | 9 | fneq2d 6426 | . 2 ⊢ (𝜑 → (𝑃 Fn ((𝑋 × 𝑌) × (𝑋 × 𝑌)) ↔ 𝑃 Fn ((Base‘𝑇) × (Base‘𝑇)))) |
11 | 7, 10 | mpbid 235 | 1 ⊢ (𝜑 → 𝑃 Fn ((Base‘𝑇) × (Base‘𝑇))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2112 × cxp 5520 Fn wfn 6328 ‘cfv 6333 (class class class)co 7148 Basecbs 16531 distcds 16622 ×s cxps 16827 |
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 1912 ax-6 1971 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2159 ax-12 2176 ax-ext 2730 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5232 ax-pr 5296 ax-un 7457 ax-cnex 10621 ax-resscn 10622 ax-1cn 10623 ax-icn 10624 ax-addcl 10625 ax-addrcl 10626 ax-mulcl 10627 ax-mulrcl 10628 ax-mulcom 10629 ax-addass 10630 ax-mulass 10631 ax-distr 10632 ax-i2m1 10633 ax-1ne0 10634 ax-1rid 10635 ax-rnegex 10636 ax-rrecex 10637 ax-cnre 10638 ax-pre-lttri 10639 ax-pre-lttrn 10640 ax-pre-ltadd 10641 ax-pre-mulgt0 10642 |
This theorem depends on definitions: df-bi 210 df-an 401 df-or 846 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2071 df-mo 2558 df-eu 2589 df-clab 2737 df-cleq 2751 df-clel 2831 df-nfc 2902 df-ne 2953 df-nel 3057 df-ral 3076 df-rex 3077 df-reu 3078 df-rmo 3079 df-rab 3080 df-v 3412 df-sbc 3698 df-csb 3807 df-dif 3862 df-un 3864 df-in 3866 df-ss 3876 df-pss 3878 df-nul 4227 df-if 4419 df-pw 4494 df-sn 4521 df-pr 4523 df-tp 4525 df-op 4527 df-uni 4797 df-int 4837 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5428 df-eprel 5433 df-po 5441 df-so 5442 df-fr 5481 df-we 5483 df-xp 5528 df-rel 5529 df-cnv 5530 df-co 5531 df-dm 5532 df-rn 5533 df-res 5534 df-ima 5535 df-pred 6124 df-ord 6170 df-on 6171 df-lim 6172 df-suc 6173 df-iota 6292 df-fun 6335 df-fn 6336 df-f 6337 df-f1 6338 df-fo 6339 df-f1o 6340 df-fv 6341 df-riota 7106 df-ov 7151 df-oprab 7152 df-mpo 7153 df-om 7578 df-1st 7691 df-2nd 7692 df-wrecs 7955 df-recs 8016 df-rdg 8054 df-1o 8110 df-2o 8111 df-oadd 8114 df-er 8297 df-map 8416 df-ixp 8478 df-en 8526 df-dom 8527 df-sdom 8528 df-fin 8529 df-sup 8929 df-inf 8930 df-pnf 10705 df-mnf 10706 df-xr 10707 df-ltxr 10708 df-le 10709 df-sub 10900 df-neg 10901 df-nn 11665 df-2 11727 df-3 11728 df-4 11729 df-5 11730 df-6 11731 df-7 11732 df-8 11733 df-9 11734 df-n0 11925 df-z 12011 df-dec 12128 df-uz 12273 df-fz 12930 df-struct 16533 df-ndx 16534 df-slot 16535 df-base 16537 df-plusg 16626 df-mulr 16627 df-sca 16629 df-vsca 16630 df-ip 16631 df-tset 16632 df-ple 16633 df-ds 16635 df-hom 16637 df-cco 16638 df-prds 16769 df-imas 16829 df-xps 16831 |
This theorem is referenced by: tmsxps 23228 tmsxpsmopn 23229 |
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