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Mirrors > Home > MPE Home > Th. List > fovcl | Structured version Visualization version GIF version |
Description: Closure law for an operation. (Contributed by NM, 19-Apr-2007.) |
Ref | Expression |
---|---|
fovcl.1 | ⊢ 𝐹:(𝑅 × 𝑆)⟶𝐶 |
Ref | Expression |
---|---|
fovcl | ⊢ ((𝐴 ∈ 𝑅 ∧ 𝐵 ∈ 𝑆) → (𝐴𝐹𝐵) ∈ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fovcl.1 | . . 3 ⊢ 𝐹:(𝑅 × 𝑆)⟶𝐶 | |
2 | ffnov 7279 | . . . 4 ⊢ (𝐹:(𝑅 × 𝑆)⟶𝐶 ↔ (𝐹 Fn (𝑅 × 𝑆) ∧ ∀𝑥 ∈ 𝑅 ∀𝑦 ∈ 𝑆 (𝑥𝐹𝑦) ∈ 𝐶)) | |
3 | 2 | simprbi 500 | . . 3 ⊢ (𝐹:(𝑅 × 𝑆)⟶𝐶 → ∀𝑥 ∈ 𝑅 ∀𝑦 ∈ 𝑆 (𝑥𝐹𝑦) ∈ 𝐶) |
4 | 1, 3 | ax-mp 5 | . 2 ⊢ ∀𝑥 ∈ 𝑅 ∀𝑦 ∈ 𝑆 (𝑥𝐹𝑦) ∈ 𝐶 |
5 | oveq1 7163 | . . . 4 ⊢ (𝑥 = 𝐴 → (𝑥𝐹𝑦) = (𝐴𝐹𝑦)) | |
6 | 5 | eleq1d 2836 | . . 3 ⊢ (𝑥 = 𝐴 → ((𝑥𝐹𝑦) ∈ 𝐶 ↔ (𝐴𝐹𝑦) ∈ 𝐶)) |
7 | oveq2 7164 | . . . 4 ⊢ (𝑦 = 𝐵 → (𝐴𝐹𝑦) = (𝐴𝐹𝐵)) | |
8 | 7 | eleq1d 2836 | . . 3 ⊢ (𝑦 = 𝐵 → ((𝐴𝐹𝑦) ∈ 𝐶 ↔ (𝐴𝐹𝐵) ∈ 𝐶)) |
9 | 6, 8 | rspc2v 3553 | . 2 ⊢ ((𝐴 ∈ 𝑅 ∧ 𝐵 ∈ 𝑆) → (∀𝑥 ∈ 𝑅 ∀𝑦 ∈ 𝑆 (𝑥𝐹𝑦) ∈ 𝐶 → (𝐴𝐹𝐵) ∈ 𝐶)) |
10 | 4, 9 | mpi 20 | 1 ⊢ ((𝐴 ∈ 𝑅 ∧ 𝐵 ∈ 𝑆) → (𝐴𝐹𝐵) ∈ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 ∀wral 3070 × cxp 5526 Fn wfn 6335 ⟶wf 6336 (class class class)co 7156 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2729 ax-sep 5173 ax-nul 5180 ax-pr 5302 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ral 3075 df-rex 3076 df-v 3411 df-sbc 3699 df-csb 3808 df-dif 3863 df-un 3865 df-in 3867 df-ss 3877 df-nul 4228 df-if 4424 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4802 df-iun 4888 df-br 5037 df-opab 5099 df-mpt 5117 df-id 5434 df-xp 5534 df-rel 5535 df-cnv 5536 df-co 5537 df-dm 5538 df-rn 5539 df-iota 6299 df-fun 6342 df-fn 6343 df-f 6344 df-fv 6348 df-ov 7159 |
This theorem is referenced by: addclnq 10418 mulclnq 10420 adderpq 10429 mulerpq 10430 distrnq 10434 axaddcl 10624 axmulcl 10626 xaddcl 12686 xmulcl 12720 elfzoelz 13100 addcnlem 23579 sgmcl 25844 hvaddcl 28908 hvmulcl 28909 hicl 28976 hhssabloilem 29157 rmxynorm 40277 rmxyneg 40279 rmxy1 40281 rmxy0 40282 rmxp1 40291 rmyp1 40292 rmxm1 40293 rmym1 40294 rmxluc 40295 rmyluc 40296 rmyluc2 40297 rmxdbl 40298 rmydbl 40299 rmxypos 40306 ltrmynn0 40307 ltrmxnn0 40308 lermxnn0 40309 rmxnn 40310 ltrmy 40311 rmyeq0 40312 rmyeq 40313 lermy 40314 rmynn 40315 rmynn0 40316 rmyabs 40317 jm2.24nn 40318 jm2.17a 40319 jm2.17b 40320 jm2.17c 40321 jm2.24 40322 rmygeid 40323 jm2.18 40347 jm2.19lem1 40348 jm2.19lem2 40349 jm2.19 40352 jm2.22 40354 jm2.23 40355 jm2.20nn 40356 jm2.25 40358 jm2.26a 40359 jm2.26lem3 40360 jm2.26 40361 jm2.15nn0 40362 jm2.16nn0 40363 jm2.27a 40364 jm2.27c 40366 rmydioph 40373 rmxdiophlem 40374 jm3.1lem1 40376 jm3.1 40379 expdiophlem1 40380 |
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