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| Mirrors > Home > MPE Home > Th. List > mulsridd | Structured version Visualization version GIF version | ||
| Description: Surreal one is a right identity element for multiplication. (Contributed by Scott Fenton, 14-Mar-2025.) |
| Ref | Expression |
|---|---|
| mulsridd.1 | ⊢ (𝜑 → 𝐴 ∈ No ) |
| Ref | Expression |
|---|---|
| mulsridd | ⊢ (𝜑 → (𝐴 ·s 1s ) = 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mulsridd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ No ) | |
| 2 | mulsrid 28206 | . 2 ⊢ (𝐴 ∈ No → (𝐴 ·s 1s ) = 𝐴) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (𝐴 ·s 1s ) = 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1560 ∈ wcel 2142 (class class class)co 7396 No csur 27704 1s c1s 27899 ·s cmuls 28199 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5227 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1099 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-int 4906 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-se 5601 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6288 df-ord 6349 df-on 6350 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-riota 7353 df-ov 7399 df-oprab 7400 df-mpo 7401 df-1st 7970 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-1o 8437 df-2o 8438 df-no 27707 df-lts 27708 df-bday 27709 df-les 27809 df-slts 27851 df-cuts 27853 df-0s 27900 df-1s 27901 df-made 27920 df-old 27921 df-left 27923 df-right 27924 df-norec 28031 df-norec2 28042 df-adds 28053 df-negs 28114 df-subs 28115 df-muls 28200 |
| This theorem is referenced by: precsexlem9 28308 divsrecd 28327 n0mulscl 28438 eucliddivs 28469 zsoring 28502 expadds 28528 pw2divsrecd 28540 pw2divsidd 28549 z12bdaylem1 28563 remulscllem1 28593 |
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