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Mirrors > Home > MPE Home > Th. List > mndvlid | Structured version Visualization version GIF version |
Description: Tuple-wise left identity in monoids. (Contributed by Stefan O'Rear, 5-Sep-2015.) |
Ref | Expression |
---|---|
mndvcl.b | ⊢ 𝐵 = (Base‘𝑀) |
mndvcl.p | ⊢ + = (+g‘𝑀) |
mndvlid.z | ⊢ 0 = (0g‘𝑀) |
Ref | Expression |
---|---|
mndvlid | ⊢ ((𝑀 ∈ Mnd ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → ((𝐼 × { 0 }) ∘f + 𝑋) = 𝑋) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elmapex 8873 | . . . 4 ⊢ (𝑋 ∈ (𝐵 ↑m 𝐼) → (𝐵 ∈ V ∧ 𝐼 ∈ V)) | |
2 | 1 | simprd 494 | . . 3 ⊢ (𝑋 ∈ (𝐵 ↑m 𝐼) → 𝐼 ∈ V) |
3 | 2 | adantl 480 | . 2 ⊢ ((𝑀 ∈ Mnd ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → 𝐼 ∈ V) |
4 | elmapi 8874 | . . 3 ⊢ (𝑋 ∈ (𝐵 ↑m 𝐼) → 𝑋:𝐼⟶𝐵) | |
5 | 4 | adantl 480 | . 2 ⊢ ((𝑀 ∈ Mnd ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → 𝑋:𝐼⟶𝐵) |
6 | mndvcl.b | . . . 4 ⊢ 𝐵 = (Base‘𝑀) | |
7 | mndvlid.z | . . . 4 ⊢ 0 = (0g‘𝑀) | |
8 | 6, 7 | mndidcl 18716 | . . 3 ⊢ (𝑀 ∈ Mnd → 0 ∈ 𝐵) |
9 | 8 | adantr 479 | . 2 ⊢ ((𝑀 ∈ Mnd ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → 0 ∈ 𝐵) |
10 | mndvcl.p | . . . 4 ⊢ + = (+g‘𝑀) | |
11 | 6, 10, 7 | mndlid 18721 | . . 3 ⊢ ((𝑀 ∈ Mnd ∧ 𝑥 ∈ 𝐵) → ( 0 + 𝑥) = 𝑥) |
12 | 11 | adantlr 713 | . 2 ⊢ (((𝑀 ∈ Mnd ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) ∧ 𝑥 ∈ 𝐵) → ( 0 + 𝑥) = 𝑥) |
13 | 3, 5, 9, 12 | caofid0l 7722 | 1 ⊢ ((𝑀 ∈ Mnd ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → ((𝐼 × { 0 }) ∘f + 𝑋) = 𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 394 = wceq 1533 ∈ wcel 2098 Vcvv 3473 {csn 4632 × cxp 5680 ⟶wf 6549 ‘cfv 6553 (class class class)co 7426 ∘f cof 7689 ↑m cmap 8851 Basecbs 17187 +gcplusg 17240 0gc0g 17428 Mndcmnd 18701 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2699 ax-rep 5289 ax-sep 5303 ax-nul 5310 ax-pow 5369 ax-pr 5433 ax-un 7746 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2529 df-eu 2558 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-ral 3059 df-rex 3068 df-rmo 3374 df-reu 3375 df-rab 3431 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-nul 4327 df-if 4533 df-pw 4608 df-sn 4633 df-pr 4635 df-op 4639 df-uni 4913 df-iun 5002 df-br 5153 df-opab 5215 df-mpt 5236 df-id 5580 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-iota 6505 df-fun 6555 df-fn 6556 df-f 6557 df-f1 6558 df-fo 6559 df-f1o 6560 df-fv 6561 df-riota 7382 df-ov 7429 df-oprab 7430 df-mpo 7431 df-of 7691 df-1st 7999 df-2nd 8000 df-map 8853 df-0g 17430 df-mgm 18607 df-sgrp 18686 df-mnd 18702 |
This theorem is referenced by: mendring 42647 |
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