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Mathbox for Norm Megill |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > cmtcomN | Structured version Visualization version GIF version |
Description: Commutation is symmetric. Theorem 2(v) in [Kalmbach] p. 22. (cmcmi 31626 analog.) (Contributed by NM, 7-Nov-2011.) (New usage is discouraged.) |
Ref | Expression |
---|---|
cmtcom.b | ⊢ 𝐵 = (Base‘𝐾) |
cmtcom.c | ⊢ 𝐶 = (cm‘𝐾) |
Ref | Expression |
---|---|
cmtcomN | ⊢ ((𝐾 ∈ OML ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋𝐶𝑌 ↔ 𝑌𝐶𝑋)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cmtcom.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
2 | cmtcom.c | . . 3 ⊢ 𝐶 = (cm‘𝐾) | |
3 | 1, 2 | cmtcomlemN 39206 | . 2 ⊢ ((𝐾 ∈ OML ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋𝐶𝑌 → 𝑌𝐶𝑋)) |
4 | 1, 2 | cmtcomlemN 39206 | . . 3 ⊢ ((𝐾 ∈ OML ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑌𝐶𝑋 → 𝑋𝐶𝑌)) |
5 | 4 | 3com23 1126 | . 2 ⊢ ((𝐾 ∈ OML ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑌𝐶𝑋 → 𝑋𝐶𝑌)) |
6 | 3, 5 | impbid 212 | 1 ⊢ ((𝐾 ∈ OML ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋𝐶𝑌 ↔ 𝑌𝐶𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 206 ∧ w3a 1087 = wceq 1537 ∈ wcel 2108 class class class wbr 5166 ‘cfv 6575 Basecbs 17260 cmccmtN 39131 OMLcoml 39133 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-rep 5303 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7772 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-ral 3068 df-rex 3077 df-rmo 3388 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-iun 5017 df-br 5167 df-opab 5229 df-mpt 5250 df-id 5593 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-iota 6527 df-fun 6577 df-fn 6578 df-f 6579 df-f1 6580 df-fo 6581 df-f1o 6582 df-fv 6583 df-riota 7406 df-ov 7453 df-oprab 7454 df-proset 18367 df-poset 18385 df-lub 18418 df-glb 18419 df-join 18420 df-meet 18421 df-lat 18504 df-oposet 39134 df-cmtN 39135 df-ol 39136 df-oml 39137 |
This theorem is referenced by: cmt3N 39209 cmtbr3N 39212 omlmod1i2N 39218 |
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