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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 13151 | . . 3 ⊢ +𝑒 :(ℝ* × ℝ*)⟶ℝ* | |
| 2 | xrex 12912 | . . . 4 ⊢ ℝ* ∈ V | |
| 3 | 2, 2 | xpex 7708 | . . 3 ⊢ (ℝ* × ℝ*) ∈ V |
| 4 | fex2 7888 | . . 3 ⊢ (( +𝑒 :(ℝ* × ℝ*)⟶ℝ* ∧ (ℝ* × ℝ*) ∈ V ∧ ℝ* ∈ V) → +𝑒 ∈ V) | |
| 5 | 1, 3, 2, 4 | mp3an 1464 | . 2 ⊢ +𝑒 ∈ V |
| 6 | df-xrs 17435 | . . 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 17337 | . 2 ⊢ ( +𝑒 ∈ V → +𝑒 = (+g‘ℝ*𝑠)) |
| 8 | 5, 7 | ax-mp 5 | 1 ⊢ +𝑒 = (+g‘ℝ*𝑠) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 Vcvv 3442 ifcif 4481 class class class wbr 5100 × cxp 5630 ⟶wf 6496 ‘cfv 6500 (class class class)co 7368 ∈ cmpo 7370 ℝ*cxr 11177 ≤ cle 11179 -𝑒cxne 13035 +𝑒 cxad 13036 ·e cxmu 13037 +gcplusg 17189 ordTopcordt 17432 ℝ*𝑠cxrs 17433 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-6 12224 df-7 12225 df-8 12226 df-9 12227 df-n0 12414 df-z 12501 df-dec 12620 df-uz 12764 df-xadd 13039 df-fz 13436 df-struct 17086 df-slot 17121 df-ndx 17133 df-base 17149 df-plusg 17202 df-mulr 17203 df-tset 17208 df-ple 17209 df-ds 17211 df-xrs 17435 |
| This theorem is referenced by: xrsmgm 21373 xrsnsgrp 21374 xrge0plusg 21406 xrs1mnd 21407 xrs10 21408 xrs1cmn 21409 xrge0subm 21410 imasdsf1olem 24329 xrge0gsumle 24790 xrs0 33099 xrsinvgval 33101 xrsmulgzz 33102 xrge0tmdALT 34124 esumpfinvallem 34252 sge0tsms 46738 |
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