Theorem homulid2 29579

Description: An operator equals its scalar product with one. (Contributed by NM, 12-Aug-2006.) (New usage is discouraged.)

Assertion

Ref	Expression
homulid2	⊢ (𝑇: ℋ⟶ ℋ → (1 ·op 𝑇) = 𝑇)

Proof of Theorem homulid2

Dummy variable 𝑥 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		ax-1cn 10597	. . . . 5 ⊢ 1 ∈ ℂ
2		homval 29520	. . . . 5 ⊢ ((1 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((1 ·op 𝑇)‘𝑥) = (1 ·ℎ (𝑇‘𝑥)))
3	1, 2	mp3an1 1444	. . . 4 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((1 ·op 𝑇)‘𝑥) = (1 ·ℎ (𝑇‘𝑥)))
4		ffvelrn 6851	. . . . 5 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘𝑥) ∈ ℋ)
5		ax-hvmulid 28785	. . . . 5 ⊢ ((𝑇‘𝑥) ∈ ℋ → (1 ·ℎ (𝑇‘𝑥)) = (𝑇‘𝑥))
6	4, 5	syl 17	. . . 4 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (1 ·ℎ (𝑇‘𝑥)) = (𝑇‘𝑥))
7	3, 6	eqtrd 2858	. . 3 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((1 ·op 𝑇)‘𝑥) = (𝑇‘𝑥))
8	7	ralrimiva 3184	. 2 ⊢ (𝑇: ℋ⟶ ℋ → ∀𝑥 ∈ ℋ ((1 ·op 𝑇)‘𝑥) = (𝑇‘𝑥))
9		homulcl 29538	. . . 4 ⊢ ((1 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) → (1 ·op 𝑇): ℋ⟶ ℋ)
10	1, 9	mpan 688	. . 3 ⊢ (𝑇: ℋ⟶ ℋ → (1 ·op 𝑇): ℋ⟶ ℋ)
11		hoeq 29539	. . 3 ⊢ (((1 ·op 𝑇): ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) → (∀𝑥 ∈ ℋ ((1 ·op 𝑇)‘𝑥) = (𝑇‘𝑥) ↔ (1 ·op 𝑇) = 𝑇))
12	10, 11	mpancom 686	. 2 ⊢ (𝑇: ℋ⟶ ℋ → (∀𝑥 ∈ ℋ ((1 ·op 𝑇)‘𝑥) = (𝑇‘𝑥) ↔ (1 ·op 𝑇) = 𝑇))
13	8, 12	mpbid 234	1 ⊢ (𝑇: ℋ⟶ ℋ → (1 ·op 𝑇) = 𝑇)

Syntax hints:   → wi 4   ↔ wb 208   ∧ wa 398   = wceq 1537   ∈ wcel 2114  ∀wral 3140  ⟶wf 6353  ‘cfv 6357  (class class class)co 7158  ℂcc 10537  1c1 10540   ℋchba 28698   ·_ℎ csm 28700   ·_op chot 28718

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2795  ax-rep 5192  ax-sep 5205  ax-nul 5212  ax-pow 5268  ax-pr 5332  ax-un 7463  ax-1cn 10597  ax-hilex 28778  ax-hfvmul 28784  ax-hvmulid 28785

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2802  df-cleq 2816  df-clel 2895  df-nfc 2965  df-ne 3019  df-ral 3145  df-rex 3146  df-reu 3147  df-rab 3149  df-v 3498  df-sbc 3775  df-csb 3886  df-dif 3941  df-un 3943  df-in 3945  df-ss 3954  df-nul 4294  df-if 4470  df-pw 4543  df-sn 4570  df-pr 4572  df-op 4576  df-uni 4841  df-iun 4923  df-br 5069  df-opab 5131  df-mpt 5149  df-id 5462  df-xp 5563  df-rel 5564  df-cnv 5565  df-co 5566  df-dm 5567  df-rn 5568  df-res 5569  df-ima 5570  df-iota 6316  df-fun 6359  df-fn 6360  df-f 6361  df-f1 6362  df-fo 6363  df-f1o 6364  df-fv 6365  df-ov 7161  df-oprab 7162  df-mpo 7163  df-map 8410  df-homul 29510

This theorem is referenced by:  honegneg  29585  ho2times  29598  leopmul  29913  nmopleid  29918  opsqrlem1  29919  opsqrlem6  29924