Theorem itgeq2sdv 36765

Description: Equality theorem for an integral. Deduction form. (Contributed by GG, 1-Sep-2025.)

Hypothesis

Ref	Expression
itgeq2sdv.1	⊢ (𝜑 → 𝐵 = 𝐶)

Assertion

Ref	Expression
itgeq2sdv	⊢ (𝜑 → ∫𝐴𝐵 d𝑥 = ∫𝐴𝐶 d𝑥)

Distinct variable group:   𝜑,𝑥

Allowed substitution hints:   𝐴(𝑥)   𝐵(𝑥)   𝐶(𝑥)

Proof of Theorem itgeq2sdv

Step	Hyp	Ref	Expression
1		eqidd 2767	. 2 ⊢ (𝜑 → 𝐴 = 𝐴)
2		itgeq2sdv.1	. 2 ⊢ (𝜑 → 𝐵 = 𝐶)
3	1, 2	itgeq12sdv 36764	1 ⊢ (𝜑 → ∫𝐴𝐵 d𝑥 = ∫𝐴𝐶 d𝑥)

This proof depends on syntax axioms:   → wi 4   = wceq 1570  ∫citg 25807

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-ext 2738

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-clab 2745  df-cleq 2758  df-clel 2841  df-ral 3083  df-rex 3093  df-rab 3420  df-v 3460  df-sbc 3748  df-csb 3857  df-dif 3911  df-un 3913  df-in 3915  df-ss 3925  df-nul 4290  df-if 4493  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4878  df-br 5115  df-opab 5179  df-mpt 5198  df-xp 5672  df-cnv 5674  df-co 5675  df-dm 5676  df-rn 5677  df-res 5678  df-ima 5679  df-pred 6309  df-iota 6499  df-fv 6551  df-ov 7426  df-oprab 7427  df-mpo 7428  df-frecs 8287  df-wrecs 8318  df-recs 8367  df-rdg 8406  df-seq 14058  df-sum 15764  df-itg 25812

This theorem is used by: (None)