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| Mirrors > Home > MPE Home > Th. List > expscl | Structured version Visualization version GIF version | ||
| Description: Closure law for surreal exponentiation. (Contributed by Scott Fenton, 7-Aug-2025.) |
| Ref | Expression |
|---|---|
| expscl | ⊢ ((𝐴 ∈ No ∧ 𝑁 ∈ ℕ0s) → (𝐴↑s𝑁) ∈ No ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssid 3949 | . 2 ⊢ No ⊆ No | |
| 2 | mulscl 28193 | . 2 ⊢ ((𝑥 ∈ No ∧ 𝑦 ∈ No ) → (𝑥 ·s 𝑦) ∈ No ) | |
| 3 | 1no 27869 | . 2 ⊢ 1s ∈ No | |
| 4 | 1, 2, 3 | expscllem 28489 | 1 ⊢ ((𝐴 ∈ No ∧ 𝑁 ∈ ℕ0s) → (𝐴↑s𝑁) ∈ No ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2132 (class class class)co 7381 No csur 27670 ℕ0scn0s 28371 ↑scexps 28471 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-rep 5217 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-ral 3067 df-rex 3077 df-rmo 3357 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-tp 4577 df-op 4579 df-ot 4581 df-uni 4856 df-int 4896 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-se 5590 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-lim 6336 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-riota 7338 df-ov 7384 df-oprab 7385 df-mpo 7386 df-om 7832 df-1st 7955 df-2nd 7956 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-1o 8421 df-2o 8422 df-oadd 8425 df-nadd 8620 df-no 27673 df-lts 27674 df-bday 27675 df-les 27775 df-slts 27817 df-cuts 27819 df-0s 27866 df-1s 27867 df-made 27886 df-old 27887 df-left 27889 df-right 27890 df-norec 27997 df-norec2 28008 df-adds 28019 df-negs 28080 df-subs 28081 df-muls 28166 df-seqs 28343 df-n0s 28373 df-nns 28374 df-zs 28438 df-exps 28472 |
| This theorem is referenced by: expadds 28494 expsne0 28495 expsgt0 28496 pw2recs 28497 pw2divscld 28498 pw2divmulsd 28499 pw2divscan3d 28500 pw2divscan2d 28501 pw2divsassd 28502 pw2divscan4d 28503 pw2gt0divsd 28504 pw2ge0divsd 28505 pw2divsrecd 28506 pw2divsnegd 28508 pw2ltdivmulsd 28509 pw2ltmuldivs2d 28510 pw2divs0d 28514 pw2divsidd 28515 pw2ltdivmuls2d 28516 pw2cut 28519 bdaypw2n0bndlem 28522 bdayfinbndlem1 28526 z12addscl 28536 z12zsodd 28541 z12sge0 28542 |
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