Theorem honegsubi 29567

Description: Relationship between Hilbert operator addition and subtraction. (Contributed by NM, 24-Aug-2006.) (New usage is discouraged.)

Hypotheses

Ref	Expression
hodseq.2	⊢ 𝑆: ℋ⟶ ℋ
hodseq.3	⊢ 𝑇: ℋ⟶ ℋ

Assertion

Ref	Expression
honegsubi	⊢ (𝑆 +op (-1 ·op 𝑇)) = (𝑆 −op 𝑇)

Proof of Theorem honegsubi

Dummy variable 𝑥 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		hodseq.2	. . . . . 6 ⊢ 𝑆: ℋ⟶ ℋ
2		neg1cn 11745	. . . . . . 7 ⊢ -1 ∈ ℂ
3		hodseq.3	. . . . . . 7 ⊢ 𝑇: ℋ⟶ ℋ
4		homulcl 29530	. . . . . . 7 ⊢ ((-1 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) → (-1 ·op 𝑇): ℋ⟶ ℋ)
5	2, 3, 4	mp2an 690	. . . . . 6 ⊢ (-1 ·op 𝑇): ℋ⟶ ℋ
6		hosval 29511	. . . . . 6 ⊢ ((𝑆: ℋ⟶ ℋ ∧ (-1 ·op 𝑇): ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((𝑆 +op (-1 ·op 𝑇))‘𝑥) = ((𝑆‘𝑥) +ℎ ((-1 ·op 𝑇)‘𝑥)))
7	1, 5, 6	mp3an12 1447	. . . . 5 ⊢ (𝑥 ∈ ℋ → ((𝑆 +op (-1 ·op 𝑇))‘𝑥) = ((𝑆‘𝑥) +ℎ ((-1 ·op 𝑇)‘𝑥)))
8	1	ffvelrni 6845	. . . . . . 7 ⊢ (𝑥 ∈ ℋ → (𝑆‘𝑥) ∈ ℋ)
9	3	ffvelrni 6845	. . . . . . 7 ⊢ (𝑥 ∈ ℋ → (𝑇‘𝑥) ∈ ℋ)
10		hvsubval 28787	. . . . . . 7 ⊢ (((𝑆‘𝑥) ∈ ℋ ∧ (𝑇‘𝑥) ∈ ℋ) → ((𝑆‘𝑥) −ℎ (𝑇‘𝑥)) = ((𝑆‘𝑥) +ℎ (-1 ·ℎ (𝑇‘𝑥))))
11	8, 9, 10	syl2anc 586	. . . . . 6 ⊢ (𝑥 ∈ ℋ → ((𝑆‘𝑥) −ℎ (𝑇‘𝑥)) = ((𝑆‘𝑥) +ℎ (-1 ·ℎ (𝑇‘𝑥))))
12		homval 29512	. . . . . . . 8 ⊢ ((-1 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((-1 ·op 𝑇)‘𝑥) = (-1 ·ℎ (𝑇‘𝑥)))
13	2, 3, 12	mp3an12 1447	. . . . . . 7 ⊢ (𝑥 ∈ ℋ → ((-1 ·op 𝑇)‘𝑥) = (-1 ·ℎ (𝑇‘𝑥)))
14	13	oveq2d 7166	. . . . . 6 ⊢ (𝑥 ∈ ℋ → ((𝑆‘𝑥) +ℎ ((-1 ·op 𝑇)‘𝑥)) = ((𝑆‘𝑥) +ℎ (-1 ·ℎ (𝑇‘𝑥))))
15	11, 14	eqtr4d 2859	. . . . 5 ⊢ (𝑥 ∈ ℋ → ((𝑆‘𝑥) −ℎ (𝑇‘𝑥)) = ((𝑆‘𝑥) +ℎ ((-1 ·op 𝑇)‘𝑥)))
16	7, 15	eqtr4d 2859	. . . 4 ⊢ (𝑥 ∈ ℋ → ((𝑆 +op (-1 ·op 𝑇))‘𝑥) = ((𝑆‘𝑥) −ℎ (𝑇‘𝑥)))
17		hodval 29513	. . . . 5 ⊢ ((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → ((𝑆 −op 𝑇)‘𝑥) = ((𝑆‘𝑥) −ℎ (𝑇‘𝑥)))
18	1, 3, 17	mp3an12 1447	. . . 4 ⊢ (𝑥 ∈ ℋ → ((𝑆 −op 𝑇)‘𝑥) = ((𝑆‘𝑥) −ℎ (𝑇‘𝑥)))
19	16, 18	eqtr4d 2859	. . 3 ⊢ (𝑥 ∈ ℋ → ((𝑆 +op (-1 ·op 𝑇))‘𝑥) = ((𝑆 −op 𝑇)‘𝑥))
20	19	rgen 3148	. 2 ⊢ ∀𝑥 ∈ ℋ ((𝑆 +op (-1 ·op 𝑇))‘𝑥) = ((𝑆 −op 𝑇)‘𝑥)
21	1, 5	hoaddcli 29539	. . 3 ⊢ (𝑆 +op (-1 ·op 𝑇)): ℋ⟶ ℋ
22	1, 3	hosubcli 29540	. . 3 ⊢ (𝑆 −op 𝑇): ℋ⟶ ℋ
23	21, 22	hoeqi 29532	. 2 ⊢ (∀𝑥 ∈ ℋ ((𝑆 +op (-1 ·op 𝑇))‘𝑥) = ((𝑆 −op 𝑇)‘𝑥) ↔ (𝑆 +op (-1 ·op 𝑇)) = (𝑆 −op 𝑇))
24	20, 23	mpbi 232	1 ⊢ (𝑆 +op (-1 ·op 𝑇)) = (𝑆 −op 𝑇)

Syntax hints:   = wceq 1533   ∈ wcel 2110  ∀wral 3138  ⟶wf 6346  ‘cfv 6350  (class class class)co 7150  ℂcc 10529  1c1 10532  -cneg 10865   ℋchba 28690   +_ℎ cva 28691   ·_ℎ csm 28692   −_ℎ cmv 28696   +_op chos 28709   ·_op chot 28710   −_op chod 28711

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2156  ax-12 2172  ax-ext 2793  ax-rep 5183  ax-sep 5196  ax-nul 5203  ax-pow 5259  ax-pr 5322  ax-un 7455  ax-resscn 10588  ax-1cn 10589  ax-icn 10590  ax-addcl 10591  ax-addrcl 10592  ax-mulcl 10593  ax-mulrcl 10594  ax-mulcom 10595  ax-addass 10596  ax-mulass 10597  ax-distr 10598  ax-i2m1 10599  ax-1ne0 10600  ax-1rid 10601  ax-rnegex 10602  ax-rrecex 10603  ax-cnre 10604  ax-pre-lttri 10605  ax-pre-lttrn 10606  ax-pre-ltadd 10607  ax-hilex 28770  ax-hfvadd 28771  ax-hfvmul 28776

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1084  df-3an 1085  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-mo 2618  df-eu 2650  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-nel 3124  df-ral 3143  df-rex 3144  df-reu 3145  df-rab 3147  df-v 3497  df-sbc 3773  df-csb 3884  df-dif 3939  df-un 3941  df-in 3943  df-ss 3952  df-nul 4292  df-if 4468  df-pw 4541  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4833  df-iun 4914  df-br 5060  df-opab 5122  df-mpt 5140  df-id 5455  df-po 5469  df-so 5470  df-xp 5556  df-rel 5557  df-cnv 5558  df-co 5559  df-dm 5560  df-rn 5561  df-res 5562  df-ima 5563  df-iota 6309  df-fun 6352  df-fn 6353  df-f 6354  df-f1 6355  df-fo 6356  df-f1o 6357  df-fv 6358  df-riota 7108  df-ov 7153  df-oprab 7154  df-mpo 7155  df-er 8283  df-map 8402  df-en 8504  df-dom 8505  df-sdom 8506  df-pnf 10671  df-mnf 10672  df-ltxr 10674  df-sub 10866  df-neg 10867  df-hvsub 28742  df-hosum 29501  df-homul 29502  df-hodif 29503

This theorem is referenced by:  honegsub  29570  hosubeq0i  29597  lnophdi  29773  bdophdi  29868  nmoptri2i  29870