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| Mirrors > Home > MPE Home > Th. List > xrsadd | Structured version Visualization version GIF version | ||
| Description: The addition operation of the extended real number structure. (Contributed by Mario Carneiro, 21-Aug-2015.) |
| Ref | Expression |
|---|---|
| xrsadd | ⊢ +𝑒 = (+g‘ℝ*𝑠) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xaddf 13277 | . . 3 ⊢ +𝑒 :(ℝ* × ℝ*)⟶ℝ* | |
| 2 | xrex 13038 | . . . 4 ⊢ ℝ* ∈ V | |
| 3 | 2, 2 | xpex 7753 | . . 3 ⊢ (ℝ* × ℝ*) ∈ V |
| 4 | fex2 7934 | . . 3 ⊢ (( +𝑒 :(ℝ* × ℝ*)⟶ℝ* ∧ (ℝ* × ℝ*) ∈ V ∧ ℝ* ∈ V) → +𝑒 ∈ V) | |
| 5 | 1, 3, 2, 4 | mp3an 1490 | . 2 ⊢ +𝑒 ∈ V |
| 6 | df-xrs 17589 | . . 3 ⊢ ℝ*𝑠 = ({〈(Base‘ndx), ℝ*〉, 〈(+g‘ndx), +𝑒 〉, 〈(.r‘ndx), ·e 〉} ∪ {〈(TopSet‘ndx), (ordTop‘ ≤ )〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ if(𝑥 ≤ 𝑦, (𝑦 +𝑒 -𝑒𝑥), (𝑥 +𝑒 -𝑒𝑦)))〉}) | |
| 7 | 6 | odrngplusg 17491 | . 2 ⊢ ( +𝑒 ∈ V → +𝑒 = (+g‘ℝ*𝑠)) |
| 8 | 5, 7 | ax-mp 5 | 1 ⊢ +𝑒 = (+g‘ℝ*𝑠) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 Vcvv 3450 ifcif 4482 class class class wbr 5103 × cxp 5653 ⟶wf 6529 ‘cfv 6533 (class class class)co 7414 ∈ cmpo 7416 ℝ*cxr 11267 ≤ cle 11269 -𝑒cxne 13161 +𝑒 cxad 13162 ·e cxmu 13163 +gcplusg 17343 ordTopcordt 17586 ℝ*𝑠cxrs 17587 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11181 ax-resscn 11182 ax-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-mulcom 11189 ax-addass 11190 ax-mulass 11191 ax-distr 11192 ax-i2m1 11193 ax-1ne0 11194 ax-1rid 11195 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 ax-pre-lttri 11199 ax-pre-lttrn 11200 ax-pre-ltadd 11201 ax-pre-mulgt0 11202 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-1o 8456 df-er 8697 df-en 8954 df-dom 8955 df-sdom 8956 df-fin 8957 df-pnf 11270 df-mnf 11271 df-xr 11272 df-ltxr 11273 df-le 11274 df-sub 11468 df-neg 11469 df-nn 12259 df-2 12328 df-3 12329 df-4 12330 df-5 12331 df-6 12332 df-7 12333 df-8 12334 df-9 12335 df-n0 12530 df-z 12617 df-dec 12738 df-uz 12889 df-xadd 13165 df-fz 13563 df-struct 17240 df-slot 17275 df-ndx 17287 df-base 17303 df-plusg 17356 df-mulr 17357 df-tset 17362 df-ple 17363 df-ds 17365 df-xrs 17589 |
| This theorem is used by: xrsmgm 21621 xrsnsgrp 21622 xrge0plusg 21653 xrs1mnd 21654 xrs10 21655 xrs1cmn 21656 xrge0subm 21657 imasdsf1olem 24600 xrge0gsumle 25061 xrs0 33447 xrsinvgval 33449 xrsmulgzz 33450 xrge0tmdALT 34457 esumpfinvallem 34585 sge0tsms 47209 |
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